:root {
    /* --- Base Palette --- */
    --brilliant-blue: #5bcefa;
    --brilliant-pink: #f5a9b8;
    --brilliant-white: #ffffff;
    --dark-bg-base: #18181b;
    --dark-bg-root: #111113;

    /* --- Themed Variables (Light Mode Default) --- */
    --c-bg: var(--brilliant-white);
    --c-text-primary: var(--dark-bg-base);
    --c-text-secondary: #888;
    --c-primary: var(--brilliant-blue);
    --c-secondary: var(--brilliant-pink);

    --c-panel-bg: var(--brilliant-white);
    --c-panel-border: var(--brilliant-pink);
    --c-panel-shadow: 0 8px 25px rgba(91, 206, 250, 0.07);

    --c-header-bg: var(--c-panel-bg);
    --c-header-border: transparent;
    --c-footer-bg: var(--c-panel-bg);
    --c-footer-border: #f0f0f0;

    --c-dropzone-bg: #fafdff;
    --c-dropzone-border: var(--c-panel-border);
    --c-dropzone-hover-bg: linear-gradient(135deg, rgba(91,206,250,0.12), rgba(245,169,184,0.08));

    --c-progress-track: #e0e0e0;

    --c-btn-primary-bg: linear-gradient(90deg, rgba(91,206,250,0.12) 0%, rgba(245,169,184,0.10) 100%);
    --c-btn-secondary-bg: linear-gradient(90deg, rgba(245,169,184,0.12) 0%, rgba(91,206,250,0.08) 100%);

    --c-success: #50c878;
    --c-danger: #ef4444;
}

body[data-theme="dark"] {
    /* --- Themed Variables (Dark Mode Overrides) --- */
    --c-bg: var(--dark-bg-root);
    --c-text-primary: #f4f4f5;
    --c-text-secondary: #a1a1aa;

    --c-panel-bg: var(--dark-bg-base);
    --c-panel-border: rgba(245, 169, 184, 0.4);
    --c-panel-shadow: 0 0 0 1px rgba(255, 255, 255, 0.05), 0 4px 12px rgba(0, 0, 0, 0.2);

    --c-header-bg: #111113;
    --c-header-border: var(--c-primary);
    --c-footer-bg: #111113;
    --c-footer-border: rgba(255, 255, 255, 0.1);

    --c-dropzone-bg: rgba(255, 255, 255, 0.02);
    --c-dropzone-border: rgba(245, 169, 184, 0.25);
    --c-dropzone-hover-bg: linear-gradient(135deg, rgba(91,206,250,0.1), rgba(245,169,184,0.08));

    --c-progress-track: #37373d;

    --c-btn-primary-bg: linear-gradient(90deg, rgba(91,206,250,0.15) 0%, rgba(245,169,184,0.12) 100%);
    --c-btn-secondary-bg: linear-gradient(90deg, rgba(245,169,184,0.15) 0%, rgba(91,206,250,0.10) 100%);

    --c-success: #3ec6a8;
    --c-danger: #f87171;
}

/* --- Global Styles --- */
*, *::before, *::after {
    box-sizing: border-box;
}

body {
    font-family: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, Arial, sans-serif;
    background: var(--c-bg);
    color: var(--c-text-primary);
    margin: 0;
    padding: 0;
    min-height: 100vh;
    overflow-x: hidden;
    display: flex;
    flex-direction: column;
    transition: background 0.3s ease, color 0.3s ease;
}

.header {
    width: 100%;
    padding: 1.5em 1.5em;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 1000;
    background: var(--c-header-bg);
    border-bottom: 0px solid var(--c-header-border);
    transition: background 0.3s ease, border-color 0.3s ease;
}
.header .logo {
    font-size: 1.5em;
    font-weight: 800;
    color: var(--c-primary);
    display: flex;
    align-items: center;
    gap: 0.5em;
    text-decoration: none;
}
.header .logo img {
    height: 1.8em;
    vertical-align: middle;
}

.header-nav {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

@media (min-width: 768px) {
    .header {
        padding: 1.5em 2em;
    }
    .header-nav {
        gap: 1.5rem;
    }
}

.header-nav-link {
    background: none;
    border: none;
    font-family: 'IBM Plex Sans', sans-serif;
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--c-text-secondary);
    cursor: pointer;
    padding: 0.5em;
    transition: color 0.2s ease-in-out, background-color 0.2s ease-in-out, transform 0.1s ease-out;
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px; /* Added for pill shape */
    min-width: 38px;
    min-height: 38px;
}
.brand-text {
    font-size: clamp(1rem, 4vw, 2rem); /* Dynamic resizing */
    white-space: nowrap;               /* No wrapping by default */
    transition: font-size 0.2s;
}

@media (max-width: 400px) {
    .brand-text {
        white-space: normal;             /* Allow wrapping below 400px */
    }
}

@media (max-width: 350px) {
    .brand-text {
        display: none;                   /* Hide below 350px */
    }
}

.header-nav-link:hover,
.header-nav-link:focus {
    color: var(--c-primary);
    outline: none;
    background-color: rgba(91, 206, 250, 0.08);
}
.header-nav-link svg {
    transition: color 0.2s ease-in-out;
    width: 22px; height: 22px;
}
.header-nav-link:hover svg,
.header-nav-link:focus svg {
    color: var(--c-primary);
}

/* --- NEW: Theme Toggle Button --- */
#theme-toggle .sun-icon { display: none; }
#theme-toggle .moon-icon { display: block; }
body[data-theme="dark"] #theme-toggle .sun-icon { display: block; }
body[data-theme="dark"] #theme-toggle .moon-icon { display: none; }


/* --- Initial Setup Screen --- */
.main-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
    flex-grow: 1;
    padding: 8rem 2em 2em;
    gap: 3em;
    background: var(--c-bg);
}

.tagline-section {
    flex-basis: 50%;
    text-align: center;
    background: var(--c-panel-bg);
    border-radius: 18px;
    box-shadow: 0 2px 16px rgba(91, 206, 250, 0.04);
    padding: 2em 2em 2em 2em;
    margin-bottom: 2em;
    max-width: 600px;
    border: 1.5px solid rgba(245, 169, 184, 0.18);
}

body[data-theme="dark"] .tagline-section {
    border: 1.5px solid rgba(245, 169, 184, 0.3);
}

.tagline-section h1 {
    font-size: clamp(3em, 8vw, 5.5em);
    font-weight: 800;
    line-height: 1.1;
    margin: 0 0 0.5em 0;
    color: var(--c-primary);
    letter-spacing: 0.01em;
    text-shadow: 0 2px 8px rgba(91, 206, 250, 0.08);
}
body[data-theme="dark"] .tagline-section h1 { text-shadow: none; }

.tagline-section p {
    font-size: 1.1em;
    color: var(--c-text-secondary);
    max-width: 450px;
    margin: 0 auto;
}

.flight-ticket-panel-wrapper {
    position: relative;
    width: 100%;
    max-width: 380px;
}
body[data-theme="dark"] .flight-ticket-panel-wrapper {
    filter: drop-shadow(0 0 15px rgba(91, 206, 250, 0.1));
}

.flight-ticket {
    background: var(--c-panel-bg);
    color: var(--c-text-primary);
    border-radius: 20px;
    padding: 2rem;
    box-shadow: 0 4px 32px 0 rgba(91, 206, 250, 0.07), 0 1.5px 0 0 var(--c-secondary);
    border: 1.5px solid var(--c-primary);
    transition: box-shadow 0.2s, background 0.3s ease, color 0.3s ease;
}
body[data-theme="dark"] .flight-ticket {
    box-shadow: 0 4px 32px 0 rgba(0, 0, 0, 0.2), 0 1.5px 0 0 var(--c-secondary);
}

.flight-ticket h2 {
    font-family: "IBM Plex Mono", monospace;
    margin: 0;
    font-weight: 700;
    color: var(--c-primary);
    letter-spacing: 0.02em;
    text-shadow: 0 1px 0 #fff, 0 0 2px #fff;
}
body[data-theme="dark"] .flight-ticket h2 { text-shadow: none; }

.flight-ticket p {
    opacity: 0.8;
    margin: 0.5rem 0 1.5rem 0;
    color: var(--c-text-primary);
}

.ticket-actions {
    font-family: "IBM Plex Sans";
    display: flex;
    flex-direction: column;
    gap: 0.8em;
}

.ticket-actions button {
    width: 100%;
    padding: 1em;
    font-size: 1em;
    border-radius: 12px;
    border: 1.5px solid var(--c-primary);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s, transform 0.1s ease-out;
    background: var(--c-btn-primary-bg);
    color: var(--c-primary);
    box-shadow: 0 1px 4px rgba(91, 206, 250, 0.06);
}

.ticket-actions button:hover, .ticket-actions button:focus {
    background: var(--c-primary);
    color: var(--brilliant-white);
    border-color: var(--c-secondary);
    outline: none;
}

.or-separator {
    display: flex;
    align-items: center;
    text-align: center;
    margin: 1em 0;
    color: var(--c-primary);
    opacity: 0.6;
    font-weight: 500;
    font-size: 0.95em;
}

.or-separator::before, .or-separator::after {
    content: '';
    flex: 1;
    border-bottom: 2px dashed var(--c-secondary);
}

.or-separator:not(:empty)::before { margin-right: .5em; }
.or-separator:not(:empty)::after { margin-left: .5em; }

.flight-code-input-wrapper {
    display: flex;
    background: var(--c-panel-bg);
    border-radius: 12px;
    overflow: hidden;
    border: 1.5px solid var(--c-primary);
    box-shadow: 0 1px 4px rgba(91, 206, 250, 0.04);
    transition: border-color 0.2s, background 0.3s ease, transform 0.2s ease-in-out;
}

.flight-code-input-wrapper:focus-within {
    border-color: var(--c-secondary);
}

/* --- NEW: Invalid Code Styling --- */
@keyframes shake {
    10%, 90% { transform: translateX(-1px); }
    20%, 80% { transform: translateX(2px); }
    30%, 50%, 70% { transform: translateX(-4px); }
    40%, 60% { transform: translateX(4px); }
}
.flight-code-input-wrapper.input-error {
    border-color: var(--c-danger);
    animation: shake 0.5s cubic-bezier(.36,.07,.19,.97) both;
}

.flight-code-input-wrapper input {
    flex: 1 1 auto;
    font-family: "IBM Plex Mono", monospace;
    font-size: 1.2rem;
    font-weight: 700;
    letter-spacing: 1em;
    width: calc(1ch * 6 + 1.5em);
    background: none;
    border: none;
    color: var(--c-text-primary);
    padding: 1em 1em;
    outline: none;
    text-align: center;
    box-sizing: content-box;
    text-transform: uppercase;
}

.flight-code-input-wrapper button {
    width: auto;
    background: none;
    color: var(--c-primary);
    padding: 0.5em 0.8em;
    cursor: pointer;
    font-size: 1.8em;
    border-radius: 10px;
    border: none;
    transition: color 0.2s, transform 0.1s ease-out;
}

.flight-code-input-wrapper button:hover, .flight-code-input-wrapper button:focus {
    color: var(--c-secondary);
    background: rgba(91, 206, 250, 0.08);
    outline: none;
}

@media (min-width: 992px) {
    .main-content { flex-direction: row; }
    .tagline-section {
        text-align: left;
        padding-right: 3em;
        margin-bottom: 0;
    }
    .tagline-section p { margin: 0; }
}

/* --- NEW DASHBOARD UI --- */
#dashboard {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 8rem 1rem 2rem;
    display: none;
    flex-direction: column;
    gap: 1.5rem;
    flex-grow: 1;
}
@media (min-width: 768px) {
    #dashboard {
        padding: 8rem 2rem 2rem;
    }
}

.panel {
    background-color: var(--c-panel-bg);
    border-radius: 16px;
    padding: 1.5rem;
    box-shadow: var(--c-panel-shadow);
    border: 2px solid var(--c-panel-border);
    min-width: 0;
    transition: background 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

#dashboard-header {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    border-bottom: 2px solid var(--c-primary);
}
#dashboard-flight-code {
    display: inline-block;
    background: linear-gradient(
            90deg,
            rgba(91,206,250,0.12) 0%,
            rgba(245,169,184,0.10) 100%
    );
    color: var(--c-primary);
    font-family: "IBM Plex Mono", monospace;
    font-size: 1em;
    font-weight: 700;
    border-radius: 10px;
    padding: 0.25em 0.7em;
    letter-spacing: 0.15em;
    margin-left: 0.5em;
    border: 1.5px solid var(--c-secondary);
    box-shadow: 0 1px 4px rgba(91, 206, 250, 0.06);
    backdrop-filter: blur(6px) saturate(1.2);
    -webkit-backdrop-filter: blur(6px) saturate(1.2);
    outline: 1px solid rgba(255,255,255,0.18);
    transition:
            box-shadow 0.2s,
            border-color 0.2s,
            background 0.2s,
            color 0.2s,
            transform 0.15s;
    cursor: pointer;
    user-select: none;
    position: relative;
    overflow: hidden;
}
body[data-theme="dark"] #dashboard-flight-code {
    outline: none;
}

#dashboard-flight-code:active {
    transform: scale(0.97);
}
#dashboard-flight-code.copied {
    background: linear-gradient(
            90deg,
            rgba(62,198,168,0.18) 0%,
            rgba(127,234,210,0.18) 100%
    );
    color: var(--c-success);
    border-color: var(--c-success);
    box-shadow: 0 0 0 2px #3ec6a833;
}
#dashboard-flight-code .copy-feedback {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%,-50%);
    background: rgba(255,255,255,0.95);
    color: var(--c-success);
    font-size: 0.95em;
    font-weight: 700;
    border-radius: 6px;
    padding: 0.2em 0.8em;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s;
    z-index: 2;
}
body[data-theme="dark"] #dashboard-flight-code .copy-feedback {
    background: var(--dark-bg-root);
}
#dashboard-flight-code.copied .copy-feedback {
    opacity: 1;
}
.flight-info {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}
.flight-info__code {
    font-size: 1.5rem;
    font-weight: 700;
}
.flight-info__code span {
    font-weight: 800;
    color: var(--c-primary);
}
.flight-info__status {
    background-color: var(--c-panel-bg);
    color: var(--c-secondary);
    font-weight: 600;
    padding: 0.5em 1em;
    border-radius: 99px;
    font-size: 0.9em;
    border: 1.5px solid var(--c-primary);
}
.flight-actions {
    display: flex;
    gap: 0.8rem;
}

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(24, 24, 27, 0.8);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    transition: opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.modal-overlay.show {
    display: flex;
    opacity: 1;
}

.invite-modal {
    background: var(--c-panel-bg);
    border-radius: 20px;
    padding: 2rem;
    box-shadow:
            0 20px 60px rgba(91, 206, 250, 0.15),
            0 8px 32px rgba(245, 169, 184, 0.1),
            0 0 0 1px rgba(91, 206, 250, 0.1);
    border: 2px solid var(--c-primary);
    max-width: 400px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    transform: scale(0.95) translateY(20px);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1), background 0.3s ease;
}

.modal-overlay.show .invite-modal {
    transform: scale(1) translateY(0);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--c-primary);
}

.modal-header h3 {
    margin: 0;
    color: var(--c-primary);
    font-size: 1.4rem;
    font-weight: 700;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--c-secondary);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    position: relative;
    overflow: hidden;
}

.modal-close:hover {
    background: linear-gradient(135deg, rgba(245,169,184,0.15), rgba(91,206,250,0.1));
    color: var(--c-primary);
    transform: rotate(90deg);
}

.modal-close:active {
    transform: rotate(90deg) scale(0.95);
}

.modal-body {
    padding-top: 0.5rem;
    color: var(--c-text-secondary);
}
.modal-body p {
    line-height: 1.6;
    margin-bottom: 1rem;
}
.modal-body .flight-code-display a.code {
    text-decoration: none;
    color: var(--c-primary);
    transition: color 0.2s, transform 0.1s ease-out;
}
.modal-body .flight-code-display a.code:hover {
    color: var(--c-secondary);
}
.modal-body .flight-code-display a.code:active {
    transform: scale(0.97);
}

/* --- NEW: Staggered Modal Content Animation --- */
.modal-overlay .modal-header,
.modal-overlay .modal-body,
.modal-overlay .flight-code-display,
.modal-overlay .qr-section,
.modal-overlay .share-actions {
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.4s ease-out, transform 0.4s ease-out;
}
.modal-overlay.show .modal-header,
.modal-overlay.show .modal-body,
.modal-overlay.show .flight-code-display,
.modal-overlay.show .qr-section,
.modal-overlay.show .share-actions {
    opacity: 1;
    transform: translateY(0);
}
.modal-overlay.show .modal-header { transition-delay: 0.05s; }
.modal-overlay.show .flight-code-display { transition-delay: 0.1s; }
.modal-overlay.show .modal-body { transition-delay: 0.1s; }
.modal-overlay.show .qr-section { transition-delay: 0.15s; }
.modal-overlay.show .share-actions { transition-delay: 0.2s; }


.qr-section {
    text-align: center;
    margin-bottom: 2rem;
}

.qr-container {
    background: linear-gradient(135deg, rgba(91,206,250,0.08), rgba(245,169,184,0.05));
    border-radius: 16px;
    padding: 1.5rem;
    margin: 1rem 0;
    border: 1.5px solid rgba(91, 206, 250, 0.2);
    box-shadow:
            0 4px 16px rgba(91, 206, 250, 0.1),
            inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.qr-container canvas {
    border-radius: 12px;
    box-shadow: 0 4px 16px rgba(91, 206, 250, 0.15);
}

.qr-description {
    color: var(--c-text-secondary);
    font-size: 0.9rem;
    margin-top: 1rem;
    line-height: 1.4;
}

.share-actions {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.share-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 1rem 1.5rem;
    border-radius: 12px;
    border: 1.5px solid var(--c-primary);
    background: var(--c-btn-primary-bg);
    color: var(--c-primary);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease, transform 0.1s ease-out;
    text-decoration: none;
    font-size: 0.95rem;
    position: relative;
    overflow: hidden;
}

.share-btn:hover {
    background: var(--c-primary);
    color: var(--brilliant-white);
    border-color: var(--c-secondary);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(91, 206, 250, 0.25);
}

.share-btn:active {
    transform: translateY(0) scale(0.97);
}

.share-btn.secondary {
    border-color: var(--c-secondary);
    color: var(--c-secondary);
    background: var(--c-btn-secondary-bg);
}

.share-btn.secondary:hover {
    background: var(--c-secondary);
    color: var(--brilliant-white);
    border-color: var(--c-primary);
}

.share-btn.success {
    background: linear-gradient(90deg, rgba(80,200,120,0.15) 0%, rgba(127,234,210,0.12) 100%);
    border-color: var(--c-success);
    color: var(--c-success);
}

.share-btn svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.flight-code-display {
    background: linear-gradient(135deg, rgba(91,206,250,0.15), rgba(245,169,184,0.1));
    border: 1.5px solid var(--c-primary);
    border-radius: 12px;
    padding: 1rem;
    margin: 1rem 0;
    text-align: center;
}

.flight-code-display .code {
    font-family: "IBM Plex Mono", monospace;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--c-primary);
    letter-spacing: 0.2em;
    margin-bottom: 0.5rem;
}

.flight-code-display .label {
    color: var(--c-text-secondary);
    font-size: 0.85rem;
    font-weight: 500;
}

@media (max-width: 480px) {
    .invite-modal {
        padding: 1.5rem;
        margin: 1rem;
    }
    .share-actions { gap: 0.8rem; }
    .share-btn { padding: 0.9rem 1.2rem; font-size: 0.9rem; }
}

.btn {
    padding: 0.8em 1.5em;
    border-radius: 12px;
    border: 1.5px solid;
    font-weight: 600;
    font-size: 0.9em;
    cursor: pointer;
    transition: all 0.2s ease, transform 0.1s ease-out;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5em;
    text-decoration: none;
    box-shadow: 0 1px 4px rgba(91, 206, 250, 0.06);
    backdrop-filter: blur(6px) saturate(1.2);
    -webkit-backdrop-filter: blur(6px) saturate(1.2);
    outline: 1px solid rgba(255,255,255,0.18);
}
body[data-theme="dark"] .btn {
    outline: none;
}

.btn-primary {
    background: var(--c-btn-primary-bg);
    color: var(--c-primary);
    border-color: var(--c-primary);
}
.btn-primary:hover {
    background: var(--c-primary);
    color: var(--brilliant-white);
    border-color: var(--c-secondary);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(91, 206, 250, 0.25);
}

.btn-secondary {
    background: var(--c-btn-secondary-bg);
    color: var(--c-secondary);
    border-color: var(--c-secondary);
}
.btn-secondary:hover {
    background: var(--c-secondary);
    color: var(--brilliant-white);
    border-color: var(--c-primary);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(245, 169, 184, 0.25);
}

.dashboard-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}
@media (min-width: 992px) {
    .dashboard-grid { grid-template-columns: 2fr 1fr; }
    .grid-col-span-2 { grid-column: span 2 / span 2; }
}

.drop-zone {
    border: 2px dashed var(--c-dropzone-border);
    text-align: center;
    padding: 3rem 1rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    background-color: var(--c-dropzone-bg);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.drop-zone.drag-over {
    border-color: var(--c-primary);
    background: var(--c-dropzone-hover-bg);
    transform: scale(1.02);
    box-shadow:
            0 8px 32px rgba(91, 206, 250, 0.15),
            0 0 0 2px rgba(91, 206, 250, 0.3),
            inset 0 1px 0 rgba(255, 255, 255, 0.2);
}
body[data-theme="dark"] .drop-zone.drag-over {
    box-shadow:
            0 8px 32px rgba(0, 0, 0, 0.3),
            0 0 0 2px rgba(91, 206, 250, 0.3),
            inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.drop-zone.drag-over::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
            90deg,
            transparent,
            rgba(91, 206, 250, 0.3),
            transparent
    );
    animation: shimmer 1.5s infinite;
    pointer-events: none;
}

@keyframes shimmer {
    0% { left: -100%; }
    100% { left: 100%; }
}

.drop-zone.drag-over .drop-zone__icon {
    color: var(--c-primary);
    transform: scale(1.1);
    filter: drop-shadow(0 4px 8px rgba(91, 206, 250, 0.3));
}

.drop-zone.drag-over p {
    color: var(--c-primary);
    font-weight: 700;
}

.drop-zone.drag-over .secondary-text {
    color: var(--c-secondary);
    font-weight: 600;
}

.drop-zone.drag-active {
    border-color: var(--c-secondary);
    background: linear-gradient(135deg, rgba(245,169,184,0.15), rgba(91,206,250,0.08));
    transform: scale(1.05);
}

.drop-zone.drag-active .drop-zone__icon {
    color: var(--c-secondary);
    animation: bounce 0.6s ease-in-out infinite alternate;
}

@keyframes bounce {
    0% { transform: scale(1.1) translateY(0); }
    100% { transform: scale(1.2) translateY(-4px); }
}

body.dragging * {
    pointer-events: none;
}

body.dragging .drop-zone {
    pointer-events: all;
}
.drop-zone__icon { color: var(--c-primary); }
.drop-zone p { margin: 0; font-weight: 600; }
.drop-zone__buttons { display: flex; gap: 1rem; }

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}
.panel-header h3 { margin: 0; font-size: 1.1rem; color: var(--c-primary);}
.panel-header .icon-btn { background: none; border: none; cursor: pointer; color: var(--c-text-secondary); font-size: 1.5rem; padding: 0.2em; }
.empty-state {
    text-align: center;
    color: var(--c-text-secondary);
    padding: 1rem 0;
    font-size: 0.9em;
}

/* --- STYLES FOR CONNECTION PANEL --- */
#connection-panel-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}
.network-user-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem;
    border-radius: 12px;
    background: linear-gradient(90deg, rgba(91,206,250,0.05) 0%, rgba(245,169,184,0.04) 100%);
    transition: background 0.2s ease;
}
.network-user-item:hover {
    background: linear-gradient(90deg, rgba(91,206,250,0.1) 0%, rgba(245,169,184,0.08) 100%);
}
.network-user-details {
    display: flex;
    flex-direction: column;
}
.network-user-name {
    font-weight: 600;
}
.network-user-id {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.8em;
    color: var(--c-text-secondary);
    opacity: 0.8;
}
.invite-user-btn {
    padding: 0.5em 1em;
    font-size: 0.85em;
}
.invite-user-btn:disabled {
    cursor: not-allowed;
    opacity: 0.5;
    background: transparent;
    border-color: var(--c-text-secondary);
    color: var(--c-text-secondary);
}

/* --- NEW: Styles for "In Flight" view --- */
.inflight-user-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem;
    border-radius: 12px;
    background: linear-gradient(90deg, rgba(91,206,250,0.05) 0%, rgba(245,169,184,0.04) 100%);
}
.inflight-user-details {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}
.inflight-user-name {
    font-weight: 600;
}
.user-badge {
    font-size: 0.75em;
    font-weight: 700;
    padding: 0.2em 0.6em;
    border-radius: 99px;
    background-color: var(--c-primary);
    color: var(--brilliant-white);
    text-transform: uppercase;
}
.inflight-user-id {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.8em;
    color: var(--c-text-secondary);
    opacity: 0.8;
}

@keyframes marquee-scroll {
    from { transform: translateX(0); }
    to { transform: translateX(calc(-100% + 200px)); }
}

.queue-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 0.5rem;
    border-bottom: 1px solid var(--c-panel-border);
}
.queue-item:last-child { border-bottom: none; }
.file-icon {
    flex-shrink: 0;
    background: linear-gradient(135deg, rgba(91,206,250,0.10), rgba(245,169,184,0.10));
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    font-size: 1.5rem;
    transition: box-shadow 0.2s;
    box-shadow: 0 1px 4px rgba(91, 206, 250, 0.06);
}
.file-icon svg {
    width: 28px;
    height: 28px;
    display: block;
}
.file-icon:hover, .file-icon:focus {
    box-shadow: 0 2px 8px rgba(91, 206, 250, 0.18);
    background: linear-gradient(135deg, rgba(91,206,250,0.18), rgba(245,169,184,0.18));
}
.file-details {
    flex-grow: 1;
    min-width: 0;
}
.file-details__name {
    font-weight: 600;
    margin-bottom: 0.3em;
    white-space: nowrap;
    overflow: hidden;
    -webkit-mask-image: linear-gradient(to right, black 90%, transparent 100%);
    mask-image: linear-gradient(to right, black 90%, transparent 100%);
}
body[data-theme="dark"] .file-details__name {
    -webkit-mask-image: linear-gradient(to right, var(--dark-bg-base) 90%, transparent 100%);
    mask-image: linear-gradient(to right, var(--dark-bg-base) 90%, transparent 100%);
}
.file-details__name span {
    display: inline-block;
    padding-right: 2rem;
}
.file-details__name:hover span {
    animation: marquee-scroll 8s linear infinite alternate;
}
.file-details__progress-bar {
    width: 100%;
    height: 8px;
    border-radius: 4px;
    overflow: hidden;
    background-color: var(--c-progress-track);
    border: none;
    accent-color: var(--c-primary);
}
.file-details__progress-bar::-webkit-progress-bar {
    background-color: var(--c-progress-track);
    border-radius: 4px;
}
.file-details__progress-bar::-webkit-progress-value {
    background: linear-gradient(90deg, #3ec6a8 0%, #7fead2 100%);
    border-radius: 4px;
}
.file-details__progress-bar::-moz-progress-bar {
    background: linear-gradient(90deg, #3ec6a8 0%, #7fead2 100%);
    border-radius: 4px;
}
.file-details__status {
    font-size: 0.8em;
    color: var(--c-text-secondary);
    display: flex;
    justify-content: space-between;
    margin-top: 0.3em;
}
.file-action {
    flex-shrink: 0;
    min-width: 170px;
    text-align: right;
}
.file-action a {
    display: block;
    padding: 0.8em 1.2em;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    text-align: center;
    white-space: nowrap;
    transition: all 0.2s ease, transform 0.1s ease-out;
    background: var(--c-btn-primary-bg);
    color: var(--c-primary);
    border: 1.5px solid var(--c-primary);
    box-shadow: 0 1px 4px rgba(91, 206, 250, 0.06);
    backdrop-filter: blur(6px) saturate(1.2);
    -webkit-backdrop-filter: blur(6px) saturate(1.2);
    outline: 1px solid rgba(255,255,255,0.18);
}
body[data-theme="dark"] .file-action a {
    outline: none;
}
.file-action a:hover {
    background: var(--c-primary);
    color: var(--brilliant-white);
    border-color: var(--c-secondary);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(91, 206, 250, 0.25);
}

.dashboard-footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}
@media (min-width: 992px) {
    .dashboard-footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}
.metrics-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 1rem; }
.metrics-list li { display: flex; align-items: center; gap: 1rem; }
.metrics-list .icon {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--c-primary);
    width: 28px;
    height: 28px;
    min-width: 28px;
    min-height: 28px;
    background: linear-gradient(135deg, rgba(91,206,250,0.10), rgba(245,169,184,0.10));
    border-radius: 8px;
    margin-right: 0.5em;
    transition: color 0.2s, background 0.2s;
}
.metrics-list li:nth-child(1) .icon { color: var(--c-primary); }
.metrics-list li:nth-child(2) .icon { color: var(--c-secondary); }
.metrics-list li:nth-child(3) .icon { color: #fbbf24; }
.metrics-list .icon svg {
    width: 20px;
    height: 20px;
    display: block;
}
.metrics-list .icon:hover, .metrics-list .icon:focus {
    background: linear-gradient(135deg, rgba(91,206,250,0.18), rgba(245,169,184,0.18));
    filter: brightness(1.1);
}
.promo-panel .btn { margin-top: 1rem; }

.site-footer {
    background-color: var(--c-footer-bg);
    padding: 1.5rem 2rem;
    border-top: 1px solid var(--c-footer-border);
    font-size: 0.9em;
    color: var(--c-text-secondary);
    margin-top: auto;
    transition: background 0.3s ease, border-color 0.3s ease;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-copyright {
    flex-shrink: 0;
}

.footer-nav {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.footer-nav-link {
    background: none;
    border: none;
    font-family: 'IBM Plex Sans', sans-serif;
    font-weight: 500;
    font-size: 1em;
    color: var(--c-text-secondary);
    cursor: pointer;
    padding: 0.5em;
    border-radius: 6px;
    transition: color 0.2s ease-in-out, background-color 0.2s ease-in-out, transform 0.1s ease-out;
    text-decoration: none;
}

.footer-nav-link:hover,
.footer-nav-link:focus {
    color: var(--c-primary);
    background-color: rgba(91, 206, 250, 0.08);
    outline: none;
}

@media (max-width: 600px) {
    .footer-content {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
}

/* --- NEW: Custom Scrollbar for Modals --- */
.invite-modal::-webkit-scrollbar {
    width: 8px;
}

.invite-modal::-webkit-scrollbar-track {
    background: transparent;
}

.invite-modal::-webkit-scrollbar-thumb {
    background-color: var(--c-primary);
    border-radius: 20px;
    border: 2px solid var(--c-panel-bg);
}

.invite-modal::-webkit-scrollbar-thumb:hover {
    background-color: #379fd6;
}

.invite-modal::-webkit-scrollbar-button {
    display: none;
    height: 0;
}

.invite-modal {
    scrollbar-width: thin;
    scrollbar-color: var(--c-primary) transparent;
}

/* --- Toast Notification Styles --- */
#toast-container {
    position: fixed;
    top: 80px;
    right: 20px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}
.toast {
    background: var(--c-panel-bg);
    color: var(--c-text-primary);
    padding: 1rem 1.5rem;
    border-radius: 12px;
    box-shadow: var(--c-panel-shadow);
    border: 2px solid var(--c-primary);
    width: 350px;
    max-width: 90vw;
    opacity: 0;
    transform: translateX(100%);
    transition: all 0.4s cubic-bezier(0.215, 0.610, 0.355, 1);
}
.toast.show {
    opacity: 1;
    transform: translateX(0);
}
/* --- NEW: Danger Toast Variant --- */
.toast.toast-danger {
    border-color: var(--c-danger);
}
.toast.toast-danger .toast-header strong {
    color: var(--c-danger);
}

.toast-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
}
.toast-header strong {
    color: var(--c-primary);
    font-weight: 700;
}
.toast-close {
    background: none; border: none; font-size: 1.2rem; color: var(--c-text-secondary); cursor: pointer;
    padding: 0.2rem;
}
.toast-body {
    font-size: 0.95em;
    line-height: 1.5;
    margin-bottom: 1rem;
}
.toast-actions {
    display: flex;
    gap: 0.5rem;
    justify-content: flex-end;
}
.toast-actions .btn {
    font-size: 0.85em;
    padding: 0.6em 1.2em;
}

/* --- MODIFIED: Consistent Tactile Button Feedback on :active --- */
.btn:active,
.ticket-actions button:active,
.header-nav-link:active,
.footer-nav-link:active,
.flight-code-input-wrapper button:active,
.file-action a:active {
    transform: translateY(0) scale(0.97);
    transition-duration: 0.1s;
}

/* --- APPEND TO END OF styles.css --- */

/* --- NEW: Action buttons for receiver queue --- */
.file-action-group {
    display: flex;
    gap: 0.5rem;
}
.file-action-group .btn {
    padding: 0.8em 1em;
    font-size: 0.85em;
    flex-grow: 1; /* Make buttons take up equal space */
}
.file-action a.btn {
    padding: 0.8em 1em;
    font-size: 0.9em;
}

/* --- NEW: VIDEO PLAYER STYLES --- */
#video-player-container {
    position: relative; /* Changed from fixed */
    z-index: 1; /* Sits above the overlay */
    background-color: #000;
    font-family: 'IBM Plex Sans', sans-serif;
    display: flex; /* Helps center the video element */
    align-items: center;
    justify-content: center;
    border-radius: 16px;
    overflow: hidden; /* Important for rounded corners on the video */
    box-shadow: 0 20px 60px rgba(0,0,0,0.4);
    border: 2px solid var(--c-primary);

    /* Responsive aspect-ratio magic */
    max-width: 90vw;
    max-height: 85vh;
    aspect-ratio: 16 / 9; /* Default aspect ratio, will be overridden by video */

    /* Animation for modal pop-in */
    transform: scale(0.95) translateY(20px);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

#videoModal.show #video-player-container {
    transform: scale(1) translateY(0);
}

#video-element {
    display: block;
    /* This makes the video fill the container while respecting its own aspect ratio */
    width: 100%;
    height: 100%;
    object-fit: contain;
}

#close-video-btn {
    position: absolute; top: 1rem; right: 1rem; z-index: 20;
    background: rgba(24, 24, 27, 0.5); backdrop-filter: blur(4px);
    border: none; font-size: 1.5rem; color: var(--brilliant-white); cursor: pointer;
    padding: 0.5rem; border-radius: 50%; width: 40px; height: 40px; display: flex;
    align-items: center; justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease, background 0.2s ease, transform 0.2s ease;
}

#video-player-container.paused #close-video-btn,
#video-player-container.controls-visible #close-video-btn {
    opacity: 1;
}

#close-video-btn:hover {
    background: linear-gradient(135deg, rgba(245,169,184,0.15), rgba(91,206,250,0.1)), rgba(24, 24, 27, 0.7);
    background-blend-mode: overlay;
    color: var(--c-primary);
    transform: rotate(90deg);
}

.video-controls-container {
    position: absolute;
    bottom: 0; left: 0; right: 0;
    color: white; z-index: 10;
    opacity: 0;
    transition: opacity 0.3s ease-in-out;
    background: linear-gradient(to top, rgba(0,0,0,0.75), transparent);
    padding: 0.5rem;
    user-select: none;
}

#video-player-container.paused .video-controls-container,
#video-player-container.controls-visible .video-controls-container {
    opacity: 1;
}
.controls {
    display: flex; justify-content: space-between; align-items: center;
    padding: 0.5rem 0.75rem;
}
.controls-left, .controls-right { display: flex; align-items: center; gap: 1rem; }
.video-controls-container button {
    background: none; border: none; color: #fff; padding: 0;
    cursor: pointer; opacity: 0.85; transition: opacity 0.2s, transform 0.2s;
}
.video-controls-container button:hover { opacity: 1; transform: scale(1.1); }
.video-controls-container button svg { width: 22px; height: 22px; display: block; stroke-width: 2.5; }
.play-pause-btn .pause-icon { display: block; }
.play-pause-btn .play-icon { display: none; }
#video-player-container.paused .play-pause-btn .pause-icon { display: none; }
#video-player-container.paused .play-pause-btn .play-icon { display: block; }
.play-pause-btn .play-icon, .play-pause-btn .pause-icon { fill: currentColor; }
.volume-container { display: flex; align-items: center; }
.volume-slider {
    width: 0; transform: scaleX(0); transform-origin: left;
    transition: width 0.2s ease-in-out, transform 0.2s ease-in-out;
    cursor: pointer;
}
.volume-container:hover .volume-slider { width: 80px; transform: scaleX(1); }
.volume-btn .low-volume-icon, .volume-btn .muted-icon { display: none; }
.volume-btn .high-volume-icon, .volume-btn .low-volume-icon, .volume-btn .muted-icon {
    width: 24px; height: 24px;
}
.volume-btn svg { stroke-width: 0; fill: currentColor;}
.time-container { font-size: 0.9rem; font-family: 'IBM Plex Mono', monospace; width: 100px; }
.timeline-container { padding: 0 0.75rem; cursor: pointer; }
.timeline {
    height: 5px; width: 100%; background-color: rgba(255, 255, 255, 0.3);
    border-radius: 3px; position: relative;
}
.timeline-container:hover .timeline { height: 8px; }
.timeline .progress-bar {
    height: 100%; width: 0%; background-color: var(--c-primary);
    border-radius: 3px; position: relative;
    transition: width 0.1s linear;
}
.timeline .progress-bar::after {
    content: ''; position: absolute; right: -6px; top: 50%;
    transform: translateY(-50%) scale(0); width: 12px; height: 12px;
    border-radius: 50%; background-color: var(--brilliant-white);
    transition: transform 0.2s;
}
.timeline-container:hover .timeline .progress-bar::after { transform: translateY(-50%) scale(1); }
.timeline .buffered-bar {
    position: absolute; top: 0; left: 0; height: 100%; width: 0%;
    background-color: rgba(255, 255, 255, 0.5); border-radius: 3px;
}
.timeline .hover-indicator {
    position: absolute; top: 0; height: 100%; width: 0;
    background-color: rgba(255, 255, 255, 0.5); border-radius: 3px;
}
.settings-menu-container { position: relative; }
.settings-menu {
    position: absolute; bottom: calc(100% + 10px); right: 0;
    background: rgba(24, 24, 27, 0.9); backdrop-filter: blur(8px);
    border-radius: 8px; padding: 0.5rem;
    border: 1px solid rgba(255, 255, 255, 0.1); display: none; width: 150px;
}
.settings-menu button {
    width: 100%; text-align: left; padding: 0.5rem 0.75rem; border-radius: 4px;
    font-size: 0.9rem; color: var(--brilliant-white);
}
body[data-theme="light"] .settings-menu { background: rgba(255, 255, 255, 0.9); }
body[data-theme="light"] .settings-menu button { color: var(--c-text-primary); }
.settings-menu button:hover { background-color: var(--c-primary); color: var(--brilliant-white) !important; transform: none; }
.settings-menu button.active { background-color: var(--c-secondary); color: var(--brilliant-white) !important; font-weight: 600; }
input[type=range].volume-slider { -webkit-appearance: none; appearance: none; background: transparent; }
input[type=range].volume-slider::-webkit-slider-runnable-track { height: 5px; background: rgba(255, 255, 255, 0.3); border-radius: 3px; }
input[type=range].volume-slider::-webkit-slider-thumb { -webkit-appearance: none; appearance: none; margin-top: -3.5px; background-color: #fff; height: 12px; width: 12px; border-radius: 50%; }
input[type=range].volume-slider::-moz-range-track { height: 5px; background: rgba(255, 255, 255, 0.3); border-radius: 3px; }
input[type=range].volume-slider::-moz-range-thumb { background-color: #fff; height: 12px; width: 12px; border-radius: 50%; border: none; }
.fullscreen-btn .exit-fullscreen-icon { display: none; }
#video-player-container.fullscreen .fullscreen-btn .exit-fullscreen-icon { display: block; }
#video-player-container.fullscreen .fullscreen-btn .enter-fullscreen-icon { display: none; }
.audio-track-btn, .captions-btn {
    display: flex !important; /* Overcome inline style from demo */
}
.audio-track-btn svg, .captions-btn svg { fill: currentColor; stroke-width: 0; }
@media (max-width: 600px) {
    .controls-left, .controls-right { gap: 0.5rem; }
    .time-container { display: none; }
    .download-btn { display: none; }
}
/* --- NEW: reCAPTCHA container styling --- */
#recaptcha-container {
    display: flex;
    justify-content: center;
    margin: 1.5rem 0;
}