/* Cosmic Theme Variables */
:root {
    --cosmic-dark: #0f0c29;
    --cosmic-darker: #080518;
    --cosmic-purple: #5e35b1;
    --cosmic-blue: #2196f3;
    --cosmic-pink: #e91e63;
    --cosmic-cyan: #00bcd4;
    --cosmic-gradient: linear-gradient(135deg, var(--cosmic-dark), var(--cosmic-purple), #24243e);
    --text-light: #ffffff;
    --text-lighter: #e0e0ff;
    --text-muted: #a0a0cc;
    --success: #00e676;
    --error: #ff5252;
    --card-bg: rgba(30, 30, 46, 0.7);
    --card-border: rgba(149, 117, 205, 0.3);
    --input-bg: rgba(25, 25, 40, 0.8);
    --input-focus: rgba(94, 53, 177, 0.5);
    --button-bg: linear-gradient(135deg, var(--cosmic-purple), var(--cosmic-pink));
}

/* Global Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    color: var(--text-light);
    height: 100vh;
    overflow: hidden;
    position: relative;
}

/* Cosmic Background */
.cosmic-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--cosmic-gradient);
    z-index: -2;
}

.cosmic-bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 30%, rgba(224, 64, 251, 0.2) 0%, transparent 40%),
        radial-gradient(circle at 80% 70%, rgba(33, 150, 243, 0.2) 0%, transparent 40%),
        radial-gradient(circle at 50% 20%, rgba(233, 30, 99, 0.15) 0%, transparent 40%);
    z-index: -1;
}

/* Common Elements */
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo i {
    font-size: 2rem;
    color: var(--cosmic-cyan);
}

.logo h1 {
    font-size: 1.8rem;
    background: linear-gradient(to right, var(--cosmic-cyan), var(--cosmic-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

footer {
    text-align: center;
    padding: 15px;
    font-size: 0.85rem;
    color: var(--text-muted);
    background: rgba(15, 12, 41, 0.5);
    border-top: 1px solid var(--card-border);
    backdrop-filter: blur(5px);
}

footer a {
    color: var(--cosmic-cyan);
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

/* Chat Page Styles */
.chat-container {
    display: flex;
    flex-direction: column;
    height: 100vh;
    max-width: 1200px;
    margin: 0 auto;
    background: rgba(15, 15, 25, 0.5);
    backdrop-filter: blur(10px);
    box-shadow: 0 0 30px rgba(94, 53, 177, 0.2);
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 25px;
    background: var(--card-bg);
    border-bottom: 1px solid var(--card-border);
    backdrop-filter: blur(5px);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 15px;
}

#user-email {
    color: var(--text-lighter);
    font-size: 0.95rem;
}

#logout-btn {
    background: var(--button-bg);
    color: white;
    border: none;
    padding: 8px 15px;
    border-radius: 20px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    gap: 5px;
}

#logout-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(233, 30, 99, 0.4);
}

.chat-messages {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 25px;
    background: rgba(10, 8, 23, 0.6);
}

.message {
    display: flex;
    max-width: 85%;
    animation: fadeIn 0.4s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.user-message {
    align-self: flex-end;
    flex-direction: row-reverse;
}

.ai-message {
    align-self: flex-start;
}

.avatar {
    width: 40px;
    height: 40px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    flex-shrink: 0;
    margin: 0 15px;
    background: rgba(94, 53, 177, 0.3);
}

.user-message .avatar {
    background: rgba(233, 30, 99, 0.3);
}

.user-message .avatar i {
    color: var(--cosmic-pink);
}

.ai-message .avatar i {
    color: var(--cosmic-cyan);
}

.content {
    padding: 15px 20px;
    border-radius: 8px;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    backdrop-filter: blur(5px);
    line-height: 1.6;
    max-width: 90%;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.user-message .content {
    background: rgba(94, 53, 177, 0.25);
    border-bottom-right-radius: 4px;
}

.ai-message .content {
    background: rgba(30, 30, 46, 0.7);
    border-bottom-left-radius: 4px;
}

.text {
    color: var(--text-lighter);
    line-height: 1.6;
    font-size: 1rem;
}

.chat-input-container {
    padding: 20px;
    background: var(--card-bg);
    border-top: 1px solid var(--card-border);
    backdrop-filter: blur(5px);
}

.input-wrapper {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
}

#message-input {
    width: 100%;
    padding: 15px 60px 15px 20px;
    border-radius: 8px;
    resize: none;
    outline: none;
    font-size: 1rem;
    min-height: 60px;
    max-height: 150px;
    background: var(--input-bg);
    border: 1px solid var(--card-border);
    color: var(--text-light);
    transition: all 0.3s;
}

#message-input:focus {
    border-color: var(--cosmic-purple);
    box-shadow: 0 0 15px rgba(94, 53, 177, 0.5);
}

#send-btn {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    background: var(--button-bg);
    color: white;
    border: none;
    width: 45px;
    height: 45px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.2rem;
    transition: all 0.3s;
}

#send-btn:hover {
    transform: translateY(-50%) scale(1.1);
    box-shadow: 0 0 15px rgba(233, 30, 99, 0.5);
}

.disclaimer {
    text-align: center;
    margin-top: 15px;
    font-size: 0.85rem;
    color: var(--text-muted);
}