 /* --- Color & Theme Variables (Dark Theme Default) --- */
        :root {
            --color-bg: #1A1D24; --color-surface: #282C34; --color-text-primary: #E0E6F1;
            --color-text-secondary: #9AB; --color-border: #3A3F4B; --color-border-hover: #555c68;
            --color-accent: #61DAFB; --color-accent-hover: #88EEFF; --color-secondary-accent: #58D68D;
            --color-secondary-accent-hover: #82E0AA; --color-button-text: #1A1D24; --color-button-text-light: #FFFFFF;
            --color-copy-bg: #4A5568; --color-copy-hover: #606F86; --color-edit-bg: #D69E2E;
            --color-edit-hover: #ECC94B; --color-pdf-bg: #9B59B6; --color-pdf-hover: #AF7AC5;
            --color-delete-bg: #E74C3C; --color-delete-hover-bg: #C0392B; --color-cancel-bg: #718096;
            --color-cancel-hover: #A0AEC0; --color-error: #FC8181; --color-success: #9AE6B4;
            --color-info-bg: rgba(97, 218, 251, 0.15); --color-info-text: var(--color-accent);
            --color-input-bg: #1E2229; --color-shadow-light: rgba(97, 218, 251, 0.1);
            --color-shadow-medium: rgba(0, 0, 0, 0.3); --color-modal-overlay: rgba(26, 29, 36, 0.8);
            --color-focus-ring: rgba(97, 218, 251, 0.3); --color-whatsapp: #25D366;
            --border-radius-sm: 4px; --border-radius-md: 8px; --border-radius-lg: 12px;
            --transition-speed: 0.3s; --transition-func: ease-in-out; --text-minimize-height: 100px;
        }
        /* --- Base Styles & Typography --- */
        *, *::before, *::after { box-sizing: border-box; }
        html { height: 100%; }
        body { font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; margin: 0; padding: 30px 15px; padding-bottom: 100px; color: var(--color-text-primary); background-color: var(--color-bg); line-height: 1.7; font-size: 16px; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; transition: background-color var(--transition-speed) var(--transition-func), color var(--transition-speed) var(--transition-func); display: flex; flex-direction: column; min-height: 100vh; }
        .main-container, #savedEntriesContainer { max-width: 850px; margin-left: auto; margin-right: auto; padding: 0 10px; width: 100%; }
        #savedEntriesContainer { flex-grow: 1; }
        @keyframes gradientText { 0% { background-position: 0% 50%; } 50% { background-position: 100% 50%; } 100% { background-position: 0% 50%; } }
        h1 { font-size: 2.8rem; font-weight: 700; color: transparent; text-align: center; margin-bottom: 1.5em; letter-spacing: -0.5px; background: linear-gradient(90deg, var(--color-accent), var(--color-secondary-accent), var(--color-text-secondary), var(--color-accent)); background-size: 300% 100%; -webkit-background-clip: text; background-clip: text; animation: gradientText 10s ease infinite; }
        h2 { font-size: 1.8rem; font-weight: 600; color: var(--color-text-secondary); text-align: center; margin-top: 3em; margin-bottom: 1.5em; border-bottom: 1px solid var(--color-border); padding-bottom: 0.6em; transition: color var(--transition-speed) var(--transition-func), border-color var(--transition-speed) var(--transition-func); }
        /* --- Input Area --- */
        .input-container { background-color: var(--color-surface); padding: 30px; border-radius: var(--border-radius-lg); box-shadow: 0 5px 20px var(--color-shadow-medium); margin-bottom: 40px; display: flex; flex-direction: column; align-items: center; border: 1px solid var(--color-border); transition: background-color var(--transition-speed) var(--transition-func), border-color var(--transition-speed) var(--transition-func), box-shadow var(--transition-speed) var(--transition-func); }
        textarea#textInput { width: 100%; min-height: 140px; padding: 15px; margin-bottom: 20px; border: 1px solid var(--color-border); border-radius: var(--border-radius-md); font-size: 1rem; background-color: var(--color-input-bg); color: var(--color-text-primary); resize: vertical; transition: border-color var(--transition-speed) var(--transition-func), box-shadow var(--transition-speed) var(--transition-func), background-color var(--transition-speed) var(--transition-func), color var(--transition-speed) var(--transition-func); }
        textarea#textInput:focus-visible, .modal-content textarea:focus-visible, .modal-content input[type="password"]:focus-visible { outline: none; border-color: var(--color-accent); box-shadow: 0 0 0 3px var(--color-focus-ring); }
        /* --- Button Styling --- */
        .button-base, .file-label { display: inline-flex; align-items: center; justify-content: center; padding: 12px 24px; color: var(--color-button-text-light); border: none; border-radius: var(--border-radius-md); cursor: pointer; text-align: center; margin-bottom: 10px; font-size: 1rem; font-weight: 600; transition: background-color var(--transition-speed) var(--transition-func), transform var(--transition-speed) var(--transition-func), box-shadow var(--transition-speed) var(--transition-func); box-shadow: 0 3px 6px var(--color-shadow-medium); text-decoration: none; line-height: 1.2; } .button-base:hover, .file-label:hover { box-shadow: 0 5px 10px var(--color-shadow-medium); transform: translateY(-2px); } .button-base:active, .file-label:active { transform: translateY(0px); box-shadow: 0 2px 4px var(--color-shadow-medium); } .button-base:disabled { background-color: #555 !important; color: #999 !important; cursor: not-allowed; transform: none; box-shadow: none; opacity: 0.7; } .button-base:focus-visible, .file-label:focus-visible { outline: none; box-shadow: 0 0 0 3px var(--color-focus-ring); }
        .file-label { background-color: var(--color-secondary-accent); color: var(--color-bg); margin-top: 10px; } .file-label:hover { background-color: var(--color-secondary-accent-hover); }
        button#saveButton { background-color: var(--color-accent); margin-top: 20px; color: var(--color-bg); } button#saveButton:hover { background-color: var(--color-accent-hover); }
        /* Card Button Styles */
        .copy-button, .edit-button, .pdf-button, .delete-button { padding: 6px 12px; font-size: 0.85rem; margin-top: 0; margin-right: 0; font-weight: 500; flex-shrink: 0; color: var(--color-button-text-light); }
        .copy-button { background-color: var(--color-copy-bg); } .copy-button:hover { background-color: var(--color-copy-hover); } .copy-button.copied { background-color: var(--color-success); color: var(--color-button-text) !important; cursor: default; }
        .edit-button { background-color: var(--color-edit-bg); } .edit-button:hover { background-color: var(--color-edit-hover); }
        .pdf-button { background-color: var(--color-pdf-bg); } .pdf-button:hover { background-color: var(--color-pdf-hover); }
        .delete-button { background-color: var(--color-delete-bg); } .delete-button:hover { background-color: var(--color-delete-hover-bg); }
        input[type="file"] { display: none; }
        #imagePreview { display: block; margin-top: 15px; border: 1px solid var(--color-border); padding: 5px; border-radius: var(--border-radius-md); background-color: var(--color-input-bg); max-height: 100px; max-width: 100%; object-fit: cover; transition: border-color var(--transition-speed) var(--transition-func), background-color var(--transition-speed) var(--transition-func); }
        #statusMessage { margin-top: 20px; font-weight: 500; min-height: 1.4em; text-align: center; width: 100%; padding: 10px; border-radius: var(--border-radius-md); opacity: 0; transform: scale(0.95); transition: opacity 0.3s var(--transition-func), transform 0.3s var(--transition-func), background-color 0.3s var(--transition-func), color 0.3s var(--transition-func); color: var(--color-button-text-light); } #statusMessage.visible { opacity: 1; transform: scale(1); } #statusMessage.error { background-color: var(--color-error); } #statusMessage.success { background-color: var(--color-success); } #statusMessage.info { background-color: var(--color-info-bg); color: var(--color-info-text); }
        /* --- Saved Entries --- */
        #savedEntriesContainer { background-color: transparent; padding: 0; border-radius: 0; box-shadow: none; border: none; } #savedEntriesContainer > p.no-entries-placeholder { color: var(--color-text-secondary); text-align: center; margin-top: 3em; font-size: 1.1rem; }
        @keyframes fadeInUp { from { opacity: 0; transform: translate3d(0, 30px, 0); } to { opacity: 1; transform: translate3d(0, 0, 0); } }
        .entry { background-color: var(--color-surface); border: 1px solid var(--color-border); padding: 25px; margin-bottom: 30px; border-radius: var(--border-radius-lg); overflow: visible; position: relative; box-shadow: 0 4px 15px var(--color-shadow-light); opacity: 0; transition: background-color var(--transition-speed) var(--transition-func), box-shadow var(--transition-speed) var(--transition-func), transform var(--transition-speed) var(--transition-func), border-color var(--transition-speed) var(--transition-func); } .entry.visible { animation: fadeInUp 0.65s var(--transition-func) forwards; animation-delay: var(--animation-delay, 0s); } .entry:hover { box-shadow: 0 6px 25px var(--color-shadow-medium); transform: translateY(-4px); border-color: var(--color-border-hover); }
        .entry-text-wrapper { position: relative; margin-bottom: 10px; } .entry p.entry-text { margin: 0; white-space: pre-wrap; color: var(--color-text-primary); font-size: 1rem; line-height: 1.7; transition: color var(--transition-speed) var(--transition-func), max-height 0.4s ease-in-out; overflow: hidden; position: relative; } p.entry-text.text-minimized { max-height: var(--text-minimize-height); } p.entry-text:not(.text-minimized) { max-height: 1000px; }
        p.entry-text.text-minimized::after { content: ""; position: absolute; bottom: 0; left: 0; right: 0; height: 30px; background: linear-gradient(to bottom, transparent, var(--color-surface)); pointer-events: none; transition: background var(--transition-speed) var(--transition-func); } p.entry-text:not(.text-minimized)::after { opacity: 0; }
        .toggle-text-button { display: block; width: fit-content; background: none; border: 1px solid var(--color-border); color: var(--color-text-secondary); padding: 3px 8px; font-size: 1rem; line-height: 1; border-radius: var(--border-radius-sm); cursor: pointer; margin-top: 8px; transition: background-color var(--transition-speed) var(--transition-func), color var(--transition-speed) var(--transition-func), border-color var(--transition-speed) var(--transition-func); } .toggle-text-button:hover { background-color: var(--color-input-bg); color: var(--color-text-primary); border-color: var(--color-border-hover);}
        .entry-image-container { width: 100%; height: 200px; background-color: var(--color-input-bg); border-radius: var(--border-radius-md); margin-top: 20px; margin-bottom: 20px; overflow: hidden; position: relative; border: 1px solid var(--color-border); transition: background-color var(--transition-speed) var(--transition-func), border-color var(--transition-speed) var(--transition-func); } .entry img.entry-image { display: block; width: 100%; height: 100%; object-fit: cover; object-position: center; border-radius: 0; border: none; margin: 0; }
        .entry .metadata { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 15px; margin-top: 20px; padding-top: 15px; border-top: 1px solid var(--color-border); transition: border-color var(--transition-speed) var(--transition-func); } .entry .metadata .button-group { display: flex; flex-wrap: wrap; gap: 8px; flex-grow: 1; } .entry .metadata span.entry-timestamp { display: block; font-size: 0.85rem; color: var(--color-text-secondary); margin: 0; margin-left: auto; white-space: nowrap; text-align: right; transition: color var(--transition-speed) var(--transition-func); } .entry .img-error-text { font-style: italic; color: var(--color-text-secondary); font-size: 0.9rem; position: absolute; top: 10px; left: 10px; background: rgba(255,255,255,0.8); color: #333; padding: 2px 5px; border-radius: 3px; }
        /* --- Modal Styles (Shared Base) --- */
        .modal-overlay { background-color: var(--color-modal-overlay); backdrop-filter: blur(5px); position: fixed; top: 0; left: 0; width: 100%; height: 100%; display: none; align-items: center; justify-content: center; z-index: 1000; opacity: 0; transition: opacity 0.3s ease; } .modal-overlay.modal-visible { display: flex; opacity: 1; }
        .modal-content { padding: 35px; border-radius: var(--border-radius-lg); box-shadow: 0 8px 30px var(--color-shadow-medium); width: 90%; max-width: 550px; position: relative; border: 1px solid var(--color-border); transform: scale(0.95) translateY(-10px); transition: transform 0.3s cubic-bezier(0.25, 0.8, 0.25, 1), background-color var(--transition-speed) var(--transition-func), border-color var(--transition-speed) var(--transition-func); background-color: var(--color-surface); } .modal-overlay.modal-visible .modal-content { transform: scale(1) translateY(0); }
        .modal-close { position: absolute; top: 15px; right: 15px; font-size: 2rem; font-weight: lighter; color: var(--color-text-secondary); cursor: pointer; border: none; background: none; line-height: 1; padding: 0; transition: color 0.2s ease, transform 0.2s ease; } .modal-close:hover { color: var(--color-text-primary); transform: rotate(90deg); }
        .modal-content h3 { color: var(--color-text-primary); margin-top: 0; margin-bottom: 25px; text-align: center; font-weight: 600; font-size: 1.5rem; transition: color var(--transition-speed) var(--transition-func); }
        .modal-content label { display: block; margin-bottom: 8px; font-weight: 500; color: var(--color-text-secondary); font-size: 0.9rem; transition: color var(--transition-speed) var(--transition-func); }
        .modal-content textarea, .modal-content input[type="password"], .modal-content input[type="text"] { width: 100%; padding: 12px; margin-bottom: 18px; border: 1px solid var(--color-border); border-radius: var(--border-radius-md); font-size: 1rem; color: var(--color-text-primary); box-sizing: border-box; background-color: var(--color-input-bg); transition: border-color var(--transition-speed) var(--transition-func), background-color var(--transition-speed) var(--transition-func), color var(--transition-speed) var(--transition-func); }
        .modal-content textarea { min-height: 160px; }
        .modal-content textarea:focus-visible, .modal-content input[type="password"]:focus-visible { border-color: var(--color-accent); box-shadow: 0 0 0 3px var(--color-focus-ring); }
        .modal-actions { display: flex; justify-content: flex-end; gap: 12px; margin-top: 25px; }
        .modal-button { padding: 10px 20px; font-size: 0.95rem; }
        #modalSaveButton { background-color: var(--color-accent); color: var(--color-bg); } #modalSaveButton:hover { background-color: var(--color-accent-hover); }
        #modalCancelButton, #passcodeModalCancelButton { background-color: var(--color-cancel-bg); } #modalCancelButton:hover, #passcodeModalCancelButton:hover { background-color: var(--color-cancel-hover); }
        #modalErrorMessage, #passcodeModalError { color: var(--color-error); font-size: 0.9rem; margin-top: 18px; text-align: center; display: none; font-weight: 500; }
        /* Specific styles for Passcode Modal */
        #passcodeModal .modal-content { max-width: 400px; } /* Smaller modal */
        #passcodeModalConfirmButton { background-color: var(--color-accent); color: var(--color-bg); }
        #passcodeModalConfirmButton:hover { background-color: var(--color-accent-hover); }

        /* --- WhatsApp FAB --- */
        .whatsapp-fab { position: fixed; bottom: 25px; right: 25px; width: 60px; height: 60px; background-color: var(--color-whatsapp); color: #FFF; border-radius: 50%; display: flex; align-items: center; justify-content: center; box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3); z-index: 999; transition: transform 0.2s ease-in-out, box-shadow 0.2s ease-in-out; text-decoration: none; font-size: 2rem; } .whatsapp-fab:hover { transform: scale(1.1); box-shadow: 0 6px 16px rgba(0, 0, 0, 0.4); }
        /* --- Footer --- */
        footer { margin-top: 50px; padding: 25px 15px; text-align: center; border-top: 1px solid var(--color-border); transition: border-color var(--transition-speed) var(--transition-func); }
        footer a { font-size: 0.85rem; font-weight: 500; color: transparent; text-decoration: none; background: linear-gradient(90deg, var(--color-text-secondary), #BDC3C7, var(--color-text-secondary)); background-size: 250% 100%; -webkit-background-clip: text; background-clip: text; animation: gradientText 12s ease infinite; transition: opacity var(--transition-speed) var(--transition-func); } footer a:hover { opacity: 0.8; } footer p { margin: 0; }

        /* --- Responsiveness --- */
        @media (max-width: 768px) { body { padding: 20px 10px 90px 10px; } h1 { font-size: 2.2rem; } h2 { font-size: 1.5rem; } .input-container, .entry { padding: 20px; } textarea#textInput { min-height: 120px; } .button-base, .file-label { padding: 10px 18px; font-size: 0.95rem; } .copy-button, .edit-button, .pdf-button, .delete-button { padding: 5px 10px; font-size: 0.8rem; } .entry .metadata { flex-direction: column; align-items: flex-start; } .entry .metadata .button-group { width: 100%; justify-content: flex-start; margin-bottom: 10px; } .entry .metadata span.entry-timestamp { margin-left: 0; width: 100%; text-align: left; margin-top: 5px; } .modal-content { padding: 25px; width: 95%; } .modal-content h3 { font-size: 1.3rem; } .modal-actions { justify-content: center; } .whatsapp-fab { width: 50px; height: 50px; bottom: 15px; right: 15px; font-size: 1.6rem; } footer { margin-top: 30px; padding: 20px 10px; font-size: 0.8rem;} }
        @media (max-width: 480px) { h1 { font-size: 1.8rem; } .button-base, .file-label { width: 100%; justify-content: center; } button#saveButton { margin-top: 15px; } .modal-actions { flex-direction: column; gap: 10px; } .modal-button { width: 100%; } .entry-image-container { height: 150px; } footer { font-size: 0.75rem;} }
