/* OrbiStart Color System Variables & Application */
:root { /* Dark Theme (Default) - OrbiStart Palette */
    --os-bg-page: #1A1A1A;
    --os-surface-card: rgba(34, 36, 40, 0.85);
    --os-surface-card-opaque: rgb(34, 36, 40);
    --os-border-divider: #33363A;
    --os-primary-500: #2986CC; /* Main blue for active elements */
    --os-primary-400: #3D95E0; /* Lighter blue for hover */
    --os-primary-300: #5CA9FF; /* Accents, links */
    --os-text-primary: #F5F7F8;
    --os-text-secondary: #C6C8CA;
    --os-highlight-success: #34C759;
    --os-warning: #FFB02E; 
    --os-error: #FF404F; 
    --os-logo-image-url: url('../images/logo-dark-theme.webp');
    --os-logo-image-url-small: url('../images/logo-dark-theme-small.webp');
    
    --os-dark-bg-image: url('../images/dark-theme-background.webp');
    --os-light-bg-image: url('../images/light-theme-background.webp');
    --os-orbit-bg-image: url('../images/orbit-bg.webp');

    /* Generic application variables - Mapped for Dark Theme */
    --bg-color: var(--os-bg-page);
    --text-color: var(--os-text-primary);
    --text-color-secondary: var(--os-text-secondary);
    --card-bg: var(--os-surface-card);
    --card-bg-opaque: var(--os-surface-card-opaque);
    --input-bg: var(--os-surface-card);
    --border-color: var(--os-border-divider);
    --shadow-color: rgba(0, 0, 0, 0.25);
    --hover-bg: rgba(255, 255, 255, 0.08);
    --primary-color: var(--os-primary-500);
    --primary-hover-color: var(--os-primary-400);
    --secondary-color: var(--os-primary-300);
    --link-color: var(--os-primary-300);
    
    --button-text-color: var(--os-text-primary);
    --button-border-color: var(--os-border-divider);
    --button-bg-color: transparent;
    --button-primary-bg: var(--os-primary-500);
    --button-primary-text: #FFFFFF;
    --button-primary-hover-bg: var(--os-primary-400);
    
    --admin-button-bg: var(--os-warning);
    --admin-button-text: #1A1A1A;
    --admin-button-border: var(--os-warning);
    --admin-button-hover-bg: color-mix(in srgb, var(--os-warning) 85%, black);
    
    --active-label-bg: var(--os-primary-500);
    --active-label-color: #FFFFFF;
    --global-nav-bg: var(--os-surface-card-opaque);
    --global-nav-border: var(--os-border-divider);
    --global-nav-text: var(--os-text-primary);
    --global-nav-brand-text: var(--os-primary-300);
    --nav-module-link-hover-bg: var(--hover-bg);
    --white: #FFFFFF;
    --black: #000000;
    --danger-color: var(--os-error);
    --success-color: var(--os-highlight-success);

    --inactive-filter-bg: var(--os-surface-card);
    --inactive-filter-text: var(--os-text-primary);
    --inactive-filter-border: var(--os-border-divider);

    --page-background-image: var(--os-dark-bg-image);
}

body.theme-light {
    --os-bg-page: #F5F7F8; 
    --os-surface-card: rgba(255, 255, 255, 0.9); 
    --os-surface-card-opaque: rgb(255, 255, 255); 
    --os-border-divider: #D9DCEE;
    --os-primary-500: #2986CC; 
    --os-primary-400: #1F6EB8; 
    --os-primary-300: #3D95E0;
    --os-text-primary: #1A1A1A; 
    --os-text-secondary: #44474A;
    --os-highlight-success: #28A745; 
    --os-warning: #DCBA00; 
    --os-error: #D93025;
    --os-logo-image-url: url('../images/logo-light-theme.webp');
    --os-logo-image-url-small: url('../images/logo-light-theme-small.webp');

    --bg-color: var(--os-bg-page); 
    --text-color: var(--os-text-primary);
    --text-color-secondary: var(--os-text-secondary); 
    --card-bg: var(--os-surface-card);
    --card-bg-opaque: var(--os-surface-card-opaque);
    --input-bg: #FFFFFF; 
    --border-color: var(--os-border-divider);
    --shadow-color: rgba(0, 0, 0, 0.1); 
    --hover-bg: #e9ecef;
    --primary-color: var(--os-primary-500); 
    --primary-hover-color: var(--os-primary-400);
    --secondary-color: var(--os-primary-300);
    --link-color: var(--os-primary-500);
    --admin-button-text: var(--os-text-primary);
    --global-nav-brand-text: var(--os-primary-500);
    --page-background-image: var(--os-light-bg-image);
    
    /* Reverted: Unify light mode text colors for readability */
    --global-nav-text: var(--os-text-secondary);
    --button-text-color: var(--os-text-secondary);
    --inactive-filter-text: var(--os-text-secondary);
}

body.theme-orbit {
    --os-bg-page: #0F121C;
    --os-logo-image-url: url('../images/logo-dark-theme.webp');
    --os-logo-image-url-small: url('../images/logo-dark-theme-small.webp');
    --os-text-primary: #E0E7EF; 
    --os-text-secondary: #9AA5B8;
    --os-primary-300: #6CBFFF; 
    --os-surface-card: rgba(26, 30, 42, 0.8); 
    --os-surface-card-opaque: rgb(26, 30, 42);
    --os-border-divider: rgba(80, 84, 92, 0.4);
    --os-primary-500: #3B8EE5; 
    --os-primary-400: #5FA4F5;
    --os-warning: #FFC85A; 
    --os-error: #FF6B7C; 
    --os-highlight-success: #4CE078;

    --bg-color: var(--os-bg-page); 
    --text-color: var(--os-text-primary);
    --text-color-secondary: var(--os-text-secondary);
    --card-bg: var(--os-surface-card);
    --card-bg-opaque: var(--os-surface-card-opaque);
    --input-bg: rgba(32, 37, 50, 0.85); 
    --border-color: var(--os-border-divider);
    --shadow-color: rgba(0, 0, 0, 0.35); 
    --hover-bg: rgba(40, 45, 60, 0.9);
    --primary-color: var(--os-primary-500); 
    --primary-hover-color: var(--os-primary-400);
    --secondary-color: var(--os-primary-300);
    --link-color: var(--os-primary-300);
    --button-text-color: var(--os-primary-300);
    --button-border-color: var(--os-primary-300);
    --admin-button-text: #0F121C;
    --global-nav-brand-text: var(--os-primary-300);
    --inactive-filter-text: var(--os-text-primary);
    --page-background-image: var(--os-orbit-bg-image);
}

/* --- General Styles --- */
html { scroll-behavior: smooth; box-sizing: border-box; }
*, *:before, *:after { box-sizing: inherit; }
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    margin: 0;
    background-color: var(--bg-color);
    background-image: var(--page-background-image);
    background-size: cover; background-position: center center; background-repeat: no-repeat; background-attachment: fixed;
    color: var(--text-color);
    line-height: 1.6;
    padding-top: 60px; /* Height of global nav */
    transition: background-color 0.3s ease, color 0.3s ease;
    min-height: 100vh;
}
.auth-page-body {
    display: flex; flex-direction: column; justify-content: center; align-items: center;
    padding-top: 0; /* No top padding for auth pages */
}

a { color: var(--link-color); text-decoration: none; }
a:hover { text-decoration: underline; color: var(--primary-hover-color); }

/* Buttons General */
.btn { display: inline-block; padding: 0.6em 1.2em; font-size: 0.9rem; font-weight: 500; border-radius: 4px; cursor: pointer; text-align: center; text-decoration: none; transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease, box-shadow 0.2s ease; border: 1px solid transparent; }
.btn-primary { background-color: var(--button-primary-bg); color: var(--button-primary-text); border-color: var(--button-primary-bg); }
.btn-primary:hover { background-color: var(--button-primary-hover-bg); border-color: var(--button-primary-hover-bg); }
.btn-secondary, .btn-outline { background-color: var(--button-bg-color); color: var(--button-text-color); border-color: var(--button-border-color); }
.btn-secondary:hover, .btn-outline:hover { background-color: var(--hover-bg); border-color: var(--primary-color); color: var(--primary-color); }
.btn-link { background: none; border: none; color: var(--link-color); padding: 0; text-decoration: underline; }
.btn-link:hover { color: var(--primary-hover-color); }
.btn-sm, .btn-xs { font-size: 0.8rem; padding: 0.4em 0.8em; }
.btn-xs { font-size: 0.7rem; padding: 0.2em 0.5em; }
button:disabled { cursor: not-allowed; opacity: 0.6; }

/* Forms */
.form-group { margin-bottom: 1rem; }
.form-group label, fieldset legend { display: block; margin-bottom: 0.5rem; font-weight: 500; color: var(--text-color-secondary); font-size: 0.9em; }
fieldset { border: 1px solid var(--border-color); padding: 1rem; border-radius: 4px; margin-bottom: 1rem;}
fieldset legend { padding: 0 0.5em; margin-left: 0.5em; font-size: 1em; font-weight: bold; color: var(--text-color); }
input[type="text"], input[type="email"], input[type="password"], input[type="url"], input[type="search"], input[type="number"], textarea, select {
    width: 100%; padding: 0.75rem; border: 1px solid var(--border-color); border-radius: 4px; box-sizing: border-box; background-color: var(--input-bg); color: var(--text-color); font-size: 1rem; transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
input:focus, textarea:focus, select:focus { outline: none; border-color: var(--primary-color); box-shadow: 0 0 0 2px color-mix(in srgb, var(--primary-color) 30%, transparent); }
textarea { min-height: 80px; resize: vertical; }
::placeholder { color: var(--text-color-secondary); opacity: 0.7; }

/* --- Global Navigation --- */
.top-global-nav { background-color: var(--global-nav-bg); border-bottom: 1px solid var(--global-nav-border); box-shadow: 0 1px 5px var(--shadow-color); padding: 0 20px; position: fixed; top: 0; left: 0; right: 0; z-index: 1000; height: 60px; display: flex; align-items: center; justify-content: space-between; box-sizing: border-box; }
.global-nav-left, .global-nav-right { display: flex; align-items: center; gap: 15px; }
.logo-link-global { display: flex; align-items: center; text-decoration: none; gap: 10px; }
.dashboard-logo-small { width: 36px; height: 36px; background-image: var(--os-logo-image-url-small); background-size: contain; background-repeat: no-repeat; background-position: center; }
.site-name-global { font-size: 1.5rem; font-weight: bold; color: var(--global-nav-brand-text); }
.main-module-links { list-style: none; padding: 0; margin: 0; display: flex; gap: 5px; }
.main-module-links li a { color: var(--global-nav-text); text-decoration: none; padding: 8px 12px; border-radius: 4px; font-size: 0.9rem; transition: background-color 0.2s ease, color 0.2s ease; }
.main-module-links li a:hover { background-color: var(--nav-module-link-hover-bg); color: var(--primary-color); }
.main-module-links li a.active-module { font-weight: bold; color: var(--primary-color); box-shadow: inset 0 -2px 0 var(--primary-color); }
.theme-select-global-container { display: flex; align-items: center; }
.theme-select-label.visually-hidden { position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; clip: rect(0, 0, 0, 0); border: 0; }
#theme-select, #theme-preference-select-account {
    padding: 5px 8px; border-radius: 4px; border: 1px solid var(--border-color); background-color: var(--input-bg); color: var(--text-color); cursor: pointer; font-size: 0.85em;
}
#theme-select option, #theme-preference-select-account option { background-color: var(--card-bg-opaque); color: var(--text-color); }
.user-greeting-nav { color: var(--text-color-secondary); font-size: 0.9em; margin-right: 10px; }
.global-nav-btn { padding: 7px 15px; border-radius: 4px; font-size: 0.9rem; text-decoration: none; cursor: pointer; border: 1px solid transparent; transition: background-color 0.2s ease, border-color 0.2s ease; font-weight: 500; }
.global-nav-btn.account-btn { background-color: var(--secondary-color); color: var(--white); border: none; }
.global-nav-btn.account-btn:hover { background-color: color-mix(in srgb, var(--secondary-color) 85%, black); }
.global-nav-btn.logout-btn { background-color: var(--button-primary-bg); color: var(--button-primary-text); border-color: var(--button-primary-bg); }
.global-nav-btn.logout-btn:hover { background-color: var(--button-primary-hover-bg); border-color: var(--button-primary-hover-bg); }

/* Main Wrapper for Status & Loading */
#main-wrapper { position: relative; padding: 20px; }
.status-message-container-fixed { position: fixed; top: 70px; left: 50%; transform: translateX(-50%); z-index: 1001; width: auto; max-width: 90%; padding: 0; }
.notification { padding: 0.8rem 1.2rem; margin-bottom: 0.5rem; border-radius: 4px; font-size: 0.9rem; text-align: center; box-shadow: 0 2px 5px rgba(0,0,0,0.15); border: 1px solid transparent; }
.notification.success { background-color: color-mix(in srgb, var(--success-color) 80%, var(--card-bg-opaque) 20%); color: var(--text-color); border-color: var(--success-color); }
.notification.error { background-color: color-mix(in srgb, var(--danger-color) 80%, var(--card-bg-opaque) 20%); color: var(--text-color); border-color: var(--danger-color); }
#loading-indicator { position: fixed; top: 75px; left: 50%; transform: translateX(-50%); background-color: var(--primary-color); color: var(--white); padding: 8px 15px; border-radius: 4px; box-shadow: 0 2px 8px var(--shadow-color); z-index: 2000; font-size: 0.9rem; }

/* --- GOOGLE-STYLE SEARCH BAR --- */
.google-search-section { max-width: 800px; margin: 20px auto 40px auto; }
.google-search-form { display: flex; border: 1px solid var(--border-color); border-radius: 24px; background-color: var(--input-bg); overflow: hidden; box-shadow: 0 1px 6px var(--shadow-color); transition: box-shadow 0.2s ease, border-color 0.2s ease; }
.google-search-form:hover, .google-search-form:focus-within { box-shadow: 0 2px 8px var(--shadow-color); border-color: var(--primary-color); }
#search-engine-select { 
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    border: none;
    border-right: 1px solid var(--border-color);
    background-color: transparent;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23888' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 0.5rem center;
    background-size: 1em;
    color: var(--text-color-secondary);
    font-weight: 500;
    padding-left: 15px;
    padding-right: 2rem;
    width: 110px;
}
#search-engine-select:focus { outline: none; }
#google-search-input { flex-grow: 1; border: none; background: transparent; padding: 10px 15px; font-size: 1rem; }
#google-search-input:focus { outline: none; }
.search-submit-btn { background: var(--primary-color); color: white; border: none; padding: 0 20px; cursor: pointer; font-weight: 500; }
.search-submit-btn:hover { background: var(--primary-hover-color); }


/* --- Page Structure for Dashboard (index.php) --- */
.page-container { max-width: 1200px; margin: 0 auto; padding: 20px; }
.dashboard-layout { display: flex; gap: 20px; }
.main-content-area { flex: 3; display: flex; flex-direction: column; gap: 20px; min-width: 0; }
.right-sidebar-panel { flex: 1; min-width: 280px; max-width: 320px; position: sticky; top: 80px; align-self: flex-start; }
.main-content-title { font-size: 1.2rem; font-weight: bold; color: var(--text-color); margin: 0; text-transform: uppercase; padding-bottom: 10px; border-bottom: 1px solid var(--border-color); }
.search-and-quickfilters { display: flex; flex-direction: column; gap: 15px; }
.quick-filter-buttons-row { display: flex; justify-content: space-between; align-items: center; gap: 15px; flex-wrap: wrap; }
.quick-filter-buttons { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.quick-filter-btn { padding: 8px 15px; border-radius: 20px; cursor: pointer; transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease; font-size: 0.9rem; text-decoration: none; display: inline-block; border-width: 1px; border-style: solid; }
#bookmark-manager-btn.quick-filter-btn { background-color: var(--admin-button-bg); color: var(--admin-button-text); border-color: var(--admin-button-border); }
#bookmark-manager-btn.quick-filter-btn:hover { background-color: var(--admin-button-hover-bg); border-color: var(--admin-button-hover-bg); }
#daily-filter-btn.quick-filter-btn:not(.active), #all-filter-btn.quick-filter-btn:not(.active) { background-color: var(--inactive-filter-bg); color: var(--inactive-filter-text); border-color: var(--inactive-filter-border); }
#daily-filter-btn.quick-filter-btn:not(.active):hover, #all-filter-btn.quick-filter-btn:not(.active):hover { background-color: color-mix(in srgb, var(--inactive-filter-bg) 80%, var(--text-color) 20%); border-color: var(--primary-color); }
#daily-filter-btn.quick-filter-btn.active, #all-filter-btn.quick-filter-btn.active { background-color: var(--active-label-bg); color: var(--active-label-color); border-color: var(--active-label-bg); }
#search-input { width: 100%; padding: 10px 15px; border: 1px solid var(--border-color); border-radius: 4px; box-sizing: border-box; font-size: 1rem; background-color: var(--input-bg); color: var(--text-color); }
.sort-section { display: flex; align-items: center; gap: 8px; }
.sort-section label { font-size: 0.9em; color: var(--text-color-secondary); }
#sort-dropdown { font-size: 0.9em; padding: 6px 8px; }

/* Filter Panel */
.label-nav-panel { background-color: var(--card-bg); border-radius: 8px; border: 1px solid var(--border-color); box-shadow: 0 1px 3px var(--shadow-color); display: flex; flex-direction: column; height: 65vh; max-height: 700px; }
.label-nav-title { font-size: 0.9rem; font-weight: bold; color: var(--button-primary-text); background-color: var(--primary-color); padding: 12px 15px; margin: 0; border-top-left-radius: inherit; border-top-right-radius: inherit; text-align: left; flex-shrink: 0; }
#filters-content { flex: 1; min-height: 0; overflow-y: auto; }
#label-tree-root-container { list-style-type: none; padding: 10px 15px; margin: 0; }
.label-tree-item .label-content { display: flex; align-items: center; padding: 3px 0; }
.label-toggler, .label-toggler-placeholder { display: inline-flex; align-items: center; justify-content: center; width: 18px; height: 18px; margin-right: 6px; color: var(--text-color-secondary); font-size: 0.7em; user-select: none; flex-shrink: 0; position: relative; }
.label-toggler { cursor: pointer; border-radius: 3px; }
.label-toggler:hover { background-color: var(--hover-bg); }
.label-toggler.expanded::before { content: ''; position: absolute; left:50%; top:50%; width: 0; height: 0; border-style: solid; border-width: 6px 5px 0 5px; border-color: var(--text-color-secondary) transparent transparent transparent; transform: translate(-50%, -65%); }
.label-toggler.collapsed::before { content: ''; position: absolute; left:50%; top:50%; width: 0; height: 0; border-style: solid; border-width: 5px 0 5px 6px; border-color: transparent transparent transparent var(--text-color-secondary); transform: translate(-60%, -50%); }
.label-toggler-placeholder::before { content: "•"; font-size: 1.4em; line-height: 1; color: var(--text-color-secondary); position: relative; left: 1px; top: -1px; }
.label-tree-item button { background-color: transparent; border: none; color: var(--link-color); padding: 4px 6px; text-align: left; cursor: pointer; border-radius: 4px; font-size: 0.9em; margin: 0; transition: background-color 0.2s ease, color 0.2s ease; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; display: inline-block; vertical-align: middle; max-width: calc(100% - 28px); }
.label-tree-item button:hover { background-color: var(--hover-bg); color: var(--primary-hover-color); }
.label-tree-item button.active { background-color: var(--active-label-bg); color: var(--active-label-color); font-weight: bold; }
.label-sub-tree { 
    padding-left: 20px; 
    margin: 2px 0 0 0; 
    width: 100%; 
    box-sizing: border-box; 
    list-style-type: none; /* FIX: Remove circle from nested lists */
}

/* --- Bookmark Grid & Cards --- */
.bookmark-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 20px; transition: opacity 0.3s ease-in-out; min-height: 100px; }
.bookmark-grid.filtering { opacity: 0.7; }
.bookmark-card { background-color: var(--card-bg); border: 1px solid var(--border-color); border-radius: 8px; box-shadow: 0 2px 5px var(--shadow-color), 0 0 0 1px var(--border-color); padding: 15px; aspect-ratio: 1 / 1; display: flex; flex-direction: column; justify-content: space-around; align-items: center; text-align: center; position: relative; overflow: hidden; transition: transform 0.2s ease-out, box-shadow 0.2s ease-out, background-color 0.3s ease, border-color 0.3s ease; animation: fadeIn 0.4s ease-out; }
.bookmark-card:hover { transform: translateY(-3px) scale(1.02); box-shadow: 0 5px 12px var(--shadow-color), 0 0 0 1px var(--secondary-color); }
@keyframes fadeIn { from { opacity: 0; transform: scale(0.95); } to { opacity: 1; transform: scale(1); } }
.bookmark-card a { text-decoration: none; color: inherit; display: flex; flex-direction: column; align-items: center; justify-content: center; height: 100%; width: 100%; position:relative; z-index: 1;}
.bookmark-card .card-content-wrapper { display: flex; flex-direction: column; align-items: center; justify-content: center; flex-grow: 1; overflow: hidden; width: 100%; padding: 5px; }
.bookmark-card .favicon { width: 32px; height: 32px; object-fit: contain; margin-bottom: 12px; border-radius: 4px; flex-shrink: 0; }
.bookmark-card .website-title { font-size: 0.95rem; font-weight: 600; margin: 0; color: var(--text-color); width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: normal; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; max-height: 4.2em; line-height: 1.4em; }
.edit-bookmark-btn, .delete-bookmark-btn { border: none; border-radius: 50%; width: 28px; height: 28px; line-height: 28px; text-align: center; cursor: pointer; position: absolute; top: 6px; opacity: 0; transition: opacity 0.2s ease, background-color 0.2s ease; z-index: 10; display: flex; align-items: center; justify-content: center; background-color: color-mix(in srgb, var(--card-bg) 60%, transparent); backdrop-filter: blur(2px); }
.bookmark-card:hover .edit-bookmark-btn, .bookmark-card:hover .delete-bookmark-btn { opacity: 0.85; }
.edit-bookmark-btn:hover, .delete-bookmark-btn:hover { opacity: 1; }
.edit-bookmark-btn { left: 6px; color: var(--secondary-color); font-size: 14px; }
.edit-bookmark-btn:hover { background-color: var(--secondary-color); color: var(--white); }
.delete-bookmark-btn { right: 6px; color: var(--os-error); font-size: 16px; }
.delete-bookmark-btn:hover { background-color: var(--os-error); color: var(--white); }
.empty-state, .initial-load-message { color: var(--text-color-secondary); grid-column: 1 / -1; text-align: center; padding: 40px 20px; font-size: 1.1em; }
.empty-state a { color: var(--link-color); font-weight: 500; }

/* --- Admin & Account Page Specific Styles --- */
.admin-container, .account-settings-container { max-width: 750px; margin: 20px auto; padding: 30px 40px; background-color: var(--card-bg-opaque); border: 1px solid var(--border-color); border-radius: 8px; box-shadow: 0 4px 15px var(--shadow-color); }
#form-heading, .page-main-title { text-align: center; margin-bottom: 1.5rem; font-size: 1.6em; color: var(--primary-color); }
.greeting-text { text-align: center; font-size: 1.1em; margin-bottom: 25px; color: var(--text-color-secondary); }
.settings-section { margin-bottom: 2.5rem; padding-bottom: 1.5rem; border-bottom: 1px solid var(--border-color); }
.settings-section:last-of-type { border-bottom: none; margin-bottom: 0; }
.settings-section h2 { font-size: 1.3em; color: var(--text-color); margin-top: 0; margin-bottom: 1.5rem; padding-bottom: 0.5rem; border-bottom: 1px dashed var(--border-color); }
#save-website-button { background-color: var(--admin-button-bg); color: var(--admin-button-text); border-color: var(--admin-button-border); font-weight: bold; width: 100%; margin-top:1rem; padding: 0.8rem; }
#save-website-button:hover { background-color: var(--admin-button-hover-bg); }
.dashboard-link-container { text-align: center; margin-top: 20px; }

/* Admin Label Management */
.label-management-section { margin-top: 20px; margin-bottom: 20px; padding: 15px; border: 1px solid var(--border-color); border-radius: 4px; background-color: var(--input-bg); }
.new-label-form-inline { display: flex; gap: 10px; align-items: stretch; margin-bottom: 10px;}
.label-management-section p.instructions { font-size: 0.85em; color: var(--text-color-secondary); margin-top: 5px; margin-bottom: 0; }
.scrollable-labels-area { max-height: 250px; overflow-y: auto; padding: 8px; border: 1px solid var(--border-color); border-radius: 4px; background-color: var(--input-bg); }
.label-item-container { display: flex; align-items: center; padding: 4px 2px; }
.label-item-container.level-1 { margin-left: 20px; } .label-item-container.level-2 { margin-left: 40px; }
.label-checkbox-group { flex-grow: 1; display: flex; align-items: center; }
.label-checkbox-group input[type="checkbox"] { margin-right: 8px; transform: scale(1.1); accent-color: var(--primary-color); }
.label-checkbox-group label { cursor: pointer; font-size: 0.9em; }
.add-sub-label-btn { margin-left: auto; }
.delete-custom-label-icon { cursor: pointer; margin-left: 8px; color: var(--danger-color); font-weight: bold; padding: 0 6px; border-radius: 3px; font-size: 1.1em; line-height: 1; user-select: none; }
.delete-custom-label-icon:hover { background-color: var(--hover-bg); }

/* Account Calendar */
.calendar-preview-container { margin-top: 1rem; padding: 1rem; border: 1px dashed var(--border-color); border-radius: 4px; background-color: var(--input-bg); }
.calendar-preview-container h4 { margin-top: 0; color: var(--text-color-secondary); font-size: 0.9em; }
#calendar-embed-preview-account iframe { width: 100%; min-height: 450px; border: 1px solid var(--border-color); border-radius: 4px; background-color: var(--white); }
#calendar-embed-preview-account p { color: var(--text-color-secondary); }


/* --- Auth Pages (Consolidated from inline styles) --- */
.login-container-php, .register-container-php, .forgot-password-container, .reset-password-container { width: 100%; max-width: 420px; padding: 30px 35px; background-color: var(--card-bg); border-radius: 8px; box-shadow: 0 5px 15px var(--shadow-color); border: 1px solid var(--border-color); color: var(--text-color); margin: 20px; }
.dashboard-logo-auth { width: 200px; height: 54px; background-image: var(--os-logo-image-url); background-size: contain; background-repeat: no-repeat; background-position: center; margin: 0 auto 20px auto; }
.login-container-php h2, .register-container-php h2, .forgot-password-container h2, .reset-password-container h2 { text-align: center; color: var(--primary-color, #3d85c6); margin-top: 0; margin-bottom: 25px; font-size: 1.8em; }
.login-container-php button[type="submit"], .register-container-php button[type="submit"], .forgot-password-container button[type="submit"], .reset-password-container button[type="submit"] { width: 100%; padding: 12px; background-color: var(--primary-color, #3d85c6); color: var(--white, #fff); border: none; border-radius: 4px; cursor: pointer; font-size: 1rem; font-weight: bold; transition: background-color 0.2s ease; }
.login-container-php button[type="submit"]:hover, .register-container-php button[type="submit"]:hover, .forgot-password-container button[type="submit"]:hover, .reset-password-container button[type="submit"]:hover { background-color: #2c6aa0; }
.links-group { text-align: center; margin-top: 15px; font-size: 0.9em; }
.links-group p { margin-bottom: 8px; }
.links-group a { color: var(--primary-color, #3d85c6); text-decoration: underline; }
.error-message, .message.error-message { color: var(--danger-color, #dc3545); text-align: center; margin-top: 15px; margin-bottom: 10px; font-size: 0.9em; }
.success-message, .message.success-message { color: var(--success-color, #28a745); text-align: center; margin-top: 15px; }
.message a { color: var(--primary-color, #3d85c6); font-weight: bold; }
.message-display { text-align: center; margin-top: 20px; padding: 10px; border-radius: 4px; font-size: 0.9em; border: 1px solid transparent; }
.error-message-display { background-color: rgba(220, 53, 69, 0.1); color: var(--danger-color, #dc3545); border-color: var(--danger-color, #dc3545);}
.success-message-display { background-color: rgba(40, 167, 69, 0.1); color: var(--success-color, #28a745); border-color: var(--success-color, #28a745);}


/* --- Back to Top Button --- */
#backToTopBtn { position: fixed; bottom: 25px; right: 25px; width: 44px; height: 44px; background-color: var(--primary-color); color: var(--button-primary-text); border: none; border-radius: 50%; font-size: 22px; line-height: 44px; text-align: center; cursor: pointer; box-shadow: 0 2px 8px var(--shadow-color); z-index: 999; display: none; transition: background-color 0.2s, transform 0.2s; }
#backToTopBtn:hover { background-color: var(--primary-hover-color); transform: scale(1.05); }

/* --- SPECIFIC FIXES & RESPONSIVE STYLES --- */

/* Specific override for Light Theme header text */
body.theme-light .main-module-links li a,
body.theme-light #theme-select,
body.theme-light .user-greeting-nav {
    color: #F5F7F8;
}

/* Inactive filter buttons in light mode */
body.theme-light #daily-filter-btn.quick-filter-btn:not(.active), 
body.theme-light #all-filter-btn.quick-filter-btn:not(.active) { 
    background-color: #44474A;
    color: #F5F7F8; 
    border-color: #44474A;
}


/* Mobile Navigation */
.mobile-menu-toggle-btn { display: none; font-size: 1.8rem; background: none; border: none; color: var(--text-color); cursor: pointer; z-index: 1002; }
.mobile-menu-container { display: none; flex-direction: column; justify-content: center; align-items: center; gap: 20px; position: fixed; top: 0; left: 0; width: 100%; height: 100%; background-color: var(--card-bg-opaque); z-index: 1001; padding-top: 80px; text-align: center; }
.mobile-menu-container .main-module-links { display: flex; flex-direction: column; gap: 15px; }
.mobile-menu-container .global-nav-btn { display: block; margin: 10px 0; }
.filter-toggle-mobile { display: none; }


@media (max-width: 992px) { /* Tablet and below */
    body { padding-top: 60px; }
    #main-wrapper { padding: 15px; }
    .page-container { padding: 10px; }
    .top-global-nav { padding: 0 15px; }
    .main-module-links, .user-greeting-nav { display: none; }
    .mobile-menu-toggle-btn { display: block; }
    .dashboard-layout { flex-direction: column; }
    .right-sidebar-panel { order: -1; position: static; max-width: none; width: 100%; }
    
    /* Collapsible Filter Panel on Mobile */
    .label-nav-panel > .label-nav-title { display: none; }
    .filter-toggle-mobile { 
        display: flex; 
        justify-content: space-between; 
        align-items: center; 
        width: 100%; 
        background-color: var(--os-surface-card); 
        border: 1px solid var(--border-color);
        cursor: pointer; 
        border-radius: 8px;
        padding: 12px 15px;
        font-size: 1rem;
        font-weight: 500;
        color: var(--text-color);
    }
    .toggle-icon { font-size: 1.2em; }
    #filters-content { display: none; }
    #filters-content.open { display: block; }
    .label-nav-panel { height: auto; max-height: none; background: none; border: none; box-shadow: none; }
    
    #filters-content.open #label-tree-root-container {
        border: 1px solid var(--border-color); 
        border-top: none; 
        border-radius: 0 0 8px 8px; 
        max-height: 40vh;
        overflow-y: auto;
        padding: 10px; 
        background-color: var(--card-bg); 
    }
}

@media (max-width: 768px) {
    body { padding-top: 50px; }
    .top-global-nav { height: 50px; padding: 0 10px; }
    .site-name-global { font-size: 1.2rem; }
    .dashboard-logo-small { width: 28px; height: 28px; }
    #theme-select, #theme-preference-select-account { font-size: 0.8em; padding: 4px 6px;}
    .global-nav-btn { font-size: 0.85rem; padding: 6px 10px; }
    .main-content-title { font-size: 1.1rem; }
    .quick-filter-buttons { gap: 8px; }
    .quick-filter-btn { font-size: 0.85rem; padding: 7px 12px; }
    .bookmark-grid { grid-template-columns: repeat(auto-fill, minmax(110px, 1fr)); gap: 15px; }
    .bookmark-card .website-title { font-size: 0.85rem; -webkit-line-clamp: 2; max-height: 2.6em; }
    .admin-container, .account-settings-container, .login-container-php, .register-container-php, .forgot-password-container, .reset-password-container { padding: 20px; margin: 20px 15px; }
    .label-sub-tree { padding-left: 15px; }
    #backToTopBtn { width: 40px; height: 40px; font-size: 20px; line-height: 40px; bottom: 15px; right: 15px;}
}
@media (max-width: 480px) {
    .top-global-nav { gap: 10px; }
    .site-name-global { display: none; }
    .logo-link-global { margin-right: auto; }
    .global-nav-right { gap: 6px; }
    .main-content-area, .right-sidebar-panel { gap: 15px; }
    .main-content-title { font-size: 1rem; }
    #search-input { font-size: 0.9rem; padding: 8px 10px; }
    .quick-filter-btn { font-size: 0.8rem; padding: 6px 10px; }
    .bookmark-grid { grid-template-columns: repeat(3, 1fr); gap: 10px; }
    .bookmark-card { padding: 10px; }
    .bookmark-card .favicon { width: 24px; height: 24px; margin-bottom: 8px; }
    .bookmark-card .website-title { font-size: 0.8rem; -webkit-line-clamp: 3; line-height: 1.3em; max-height: 3.9em; }
    .label-tree-item button {font-size: 0.8rem;}
    .label-sub-tree { padding-left: 10px; }
    .admin-container h2, .account-settings-container h2, 
    .login-container-php h2, .register-container-php h2, 
    .forgot-password-container h2, .reset-password-container h2 { font-size: 1.5em; margin-bottom: 20px; }
    .admin-container, .account-settings-container, .login-container-php, .register-container-php, .forgot-password-container, .reset-password-container { padding: 15px; }
}