:root {
    --primary-gradient: linear-gradient(135deg, #22A1D2 0%, #8B32CC 100%);
    --link-blue: #22A1D2;
    --hub-purple: #8B32CC;
    --white: #ffffff;
    --bg-main: #f8f9fc;
    --text-main: #1a1d23;
    --text-muted: #64748b;
    --border-color: #e2e8f0;
    --chat-bg: #fdfdff;
    --shadow-lg: 0 20px 50px rgba(0,0,0,0.15);
    --shadow-md: 0 10px 25px rgba(0,0,0,0.08);
    --radius: 12px;
}

body.dark-theme {
    --white: #1e1e2d;
    --bg-main: #13131a;
    --text-main: #e2e8f0;
    --text-muted: #94a3b8;
    --border-color: #313144;
    --chat-bg: #161621;
    --shadow-lg: 0 20px 50px rgba(0,0,0,0.4);
    --shadow-md: 0 10px 25px rgba(0,0,0,0.2);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-main);
    color: var(--text-main);
    line-height: 1.6;
    padding-bottom: 120px;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.container {
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 20px;
}

.theme-switch-wrapper {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-right: 15px;
}

.theme-switch {
    display: inline-block;
    height: 28px;
    position: relative;
    width: 54px;
}

.theme-switch input { display: none; }

.slider {
    background-color: rgba(255,255,255,0.2);
    bottom: 0;
    cursor: pointer;
    left: 0;
    position: absolute;
    right: 0;
    top: 0;
    transition: .4s;
    border-radius: 34px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 6px;
    border: 1px solid rgba(255,255,255,0.3);
}

.slider i { color: #f1c40f; font-size: 14px; z-index: 1; }

.slider:before {
    background-color: white;
    bottom: 3px;
    content: "";
    height: 20px;
    left: 4px;
    position: absolute;
    transition: .4s;
    width: 20px;
    border-radius: 50%;
    z-index: 2;
}

input:checked + .slider { background-color: var(--hub-purple); }
input:checked + .slider:before { transform: translateX(24px); }

.auth-page-body { overflow: hidden; height: 100vh; }

.auth-page { 
    height: 100vh; 
    display: flex; 
    align-items: center; 
    justify-content: center; 
    background: var(--primary-gradient); 
}

.auth-box { 
    width: 480px; 
    padding: 35px 45px; 
    background: var(--white); 
    border-radius: 30px; 
    box-shadow: var(--shadow-lg); 
    text-align: center; 
}

.auth-logo { 
    width: 180px; 
    margin-bottom: 20px; 
    display: block; 
    margin-left: auto; 
    margin-right: auto; 
}

.alert {
    padding: 15px;
    border-radius: 15px;
    margin-bottom: 20px;
    font-size: 14px;
    font-weight: 700;
    text-align: center;
}

.alert-danger {
    background: #fef2f2;
    color: #ef4444;
    border: 1.5px solid #fecaca;
}

.alert-success {
    background: #f0fdf4;
    color: #16a34a;
    border: 1.5px solid #bcf1cc;
}

.g-recaptcha {
    display: flex;
    justify-content: center;
    margin-bottom: 25px;
}

.auth-footer {
    margin-top: 25px;
    padding-top: 15px;
    border-top: 1.5px solid var(--border-color);
}

.auth-footer p {
    color: var(--text-muted);
    font-size: 14px;
    font-weight: 600;
}

.auth-footer a {
    color: var(--hub-purple);
    font-weight: 800;
    text-decoration: none;
    transition: 0.3s ease;
    display: inline-block;
    margin-left: 5px;
}

.auth-footer a:hover {
    color: var(--link-blue);
    transform: translateY(-1px);
}

.main-header { 
    background: var(--primary-gradient); 
    height: 70px; 
    box-shadow: 0 4px 20px rgba(0,0,0,0.15); 
    position: sticky; 
    top: 0; 
    z-index: 1000;
    backdrop-filter: blur(10px); 
}

body.dark-theme .main-header {
    background: #1e1e2d;
    border-bottom: 1px solid var(--border-color);
}

.header-flex {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
    position: relative;
}

.header-logo {
    position: relative;
    width: 100px;
    height: 100%;
}

.header-logo img {
    height: 100px; 
    width: auto;
    position: absolute;
    top: 5px; 
    left: 0;
    z-index: 1001;
    transition: transform 0.3s ease, filter 0.3s ease;
    filter: drop-shadow(0 4px 6px rgba(0, 0, 0, 0.2));
}

.header-logo img:hover {
    transform: scale(1.05) translateY(5px);
    filter: drop-shadow(0 12px 25px rgba(0, 0, 0, 0.9)); 
}

.nav-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 10px;
}

.nav-list a {
    text-decoration: none;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 600;
    font-size: 14px;
    padding: 10px 18px;
    border-radius: 30px;
    transition: all 0.3s ease;
    display: flex;
    align-items: center; gap: 8px;
}

.nav-list a:hover:not(.btn-logout) {
    background: rgba(255, 255, 255, 0.15);
    color: white;
    transform: translateY(-2px);
}

.btn-logout { background: rgba(255, 255, 255, 0.1); border: 1px solid rgba(255, 255, 255, 0.3); }
.btn-logout:hover { background: rgba(255, 50, 50, 0.2); border-color: rgba(255, 50, 50, 0.5); color: white; }

.main-footer { 
    background: var(--primary-gradient); 
    padding: 15px 0; 
    position: fixed; 
    bottom: 0; 
    left: 0; 
    width: 100%; 
    z-index: 1000; 
    box-shadow: 0 -4px 15px rgba(0,0,0,0.1);
}

body.dark-theme .main-footer {
    background: #1e1e2d;
    border-top: 1px solid var(--border-color);
}

.footer-layout { display: flex; justify-content: space-between; align-items: center; }
.footer-zone { flex: 1; }
.footer-center { display: flex; justify-content: center; }
.footer-right { text-align: right; color: white; font-size: 14px; }
.footer-socials { display: flex; gap: 25px; }
.footer-socials a { color: white; font-size: 20px; transition: transform 0.3s ease; display: inline-block; }
.footer-socials a:hover { transform: translateY(-3px) scale(1.2); }

.dashboard-grid { display: grid; grid-template-columns: 350px 1fr; gap: 25px; margin-top: 40px; margin-bottom: 40px; }
.content-box { background: var(--white); border-radius: 30px; padding: 30px; box-shadow: var(--shadow-lg); border: 1.5px solid var(--link-blue); text-align: center; }
.profile-image-circle { width: 130px; height: 130px; border-radius: 50%; border: 3px solid var(--link-blue); margin: 0 auto 15px; overflow: hidden; background: #f0f0f0; }
.profile-image-circle img { width: 100%; height: 100%; object-fit: cover; }

.form-group { text-align: left; margin-bottom: 12px; }
.form-group label { display: block; margin-bottom: 5px; font-size: 13px; font-weight: 600; }
.form-group input, .form-group textarea { width: 100%; padding: 12px 14px; border: 1px solid var(--border-color); border-radius: 12px; outline: none; font-size: 15px; transition: 0.3s; background: var(--bg-main); color: var(--text-main); }

input[type="file"] { padding: 10px; background: var(--bg-main); border: 1px solid var(--border-color); border-radius: 12px; cursor: pointer; font-size: 13px; color: var(--text-muted); }
input[type="file"]::file-selector-button { background: var(--primary-gradient); color: white; border: none; padding: 8px 16px; border-radius: 8px; margin-right: 15px; font-weight: 700; cursor: pointer; }

.btn-primary { width: 100%; background: var(--primary-gradient); color: white; border: none; padding: 14px; border-radius: 12px; font-size: 16px; font-weight: 700; cursor: pointer; transition: 0.3s; text-decoration: none; display: inline-block; text-align: center; }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 20px rgba(34, 161, 210, 0.3); }

.news-container { width: 100%; overflow: hidden; margin-top: 30px; position: relative; }
.news-track { display: flex; transition: transform 0.6s ease-in-out; }
.news-card { flex: 0 0 280px; margin-right: 25px; background: var(--white); border-radius: 18px; overflow: hidden; border: 1.5px solid var(--link-blue); text-align: center; padding-bottom: 20px; }
.news-card img { width: 100%; height: 160px; object-fit: cover; border-bottom: 1.5px solid var(--link-blue); }
.news-card h4 { padding: 10px; height: 70px; display: flex; align-items: center; justify-content: center; font-size: 18px; font-weight: 800; color: var(--text-main); }
.btn-read { background: var(--primary-gradient); color: white; border: none; padding: 10px 25px; border-radius: 25px; cursor: pointer; font-size: 13px; font-weight: 700; }

.modal { display: none; position: fixed; z-index: 2000; left: 0; top: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.8); backdrop-filter: blur(8px); }
.modal-content { background: var(--white); margin: 8% auto; padding: 40px; border-radius: 25px; width: 90%; max-width: 700px; border: 2px solid var(--link-blue); animation: modalPop 0.3s ease-out; color: var(--text-main); }
@keyframes modalPop { from { transform: scale(0.8); opacity: 0; } to { transform: scale(1); opacity: 1; } }

.chat-title {
    text-align: center;
    font-size: 46px;
    font-weight: 900;
    margin: 45px 0 25px;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    background-clip: text; 
    -webkit-text-fill-color: transparent;
    text-transform: uppercase;
    letter-spacing: 3px;
    display: block;
    width: 100%;
}

.chat-container {
    background: var(--white);
    height: calc(100vh - 420px);
    min-height: 550px;
    border-radius: 45px;
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    overflow: hidden; 
    border: 2.5px solid var(--link-blue);
    margin-bottom: 50px;
    position: relative; 
    isolation: isolate; 
}

.chat-messages {
    flex: 1;
    padding: 35px;
    overflow-y: auto;
    background: var(--chat-bg);
    display: flex;
    flex-direction: column;
    gap: 30px;
    scrollbar-width: thin;
    scrollbar-color: var(--link-blue) transparent;
    border-radius: 45px 45px 0 0;
}

.chat-messages::-webkit-scrollbar { width: 6px; }
.chat-messages::-webkit-scrollbar-track { background: transparent; margin: 35px 0; }
.chat-messages::-webkit-scrollbar-thumb { background-color: var(--link-blue); border-radius: 20px; }

.message-wrapper {
    display: flex;
    gap: 15px;
    max-width: 85%;
    animation: fadeInBubble 0.4s ease;
    position: relative;
}

@keyframes fadeInBubble {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.msg-sent { align-self: flex-end; flex-direction: row-reverse; }
.msg-received { align-self: flex-start; }

.chat-avatar {
    width: 50px; height: 50px; border-radius: 50%; object-fit: cover;
    border: 2px solid var(--link-blue); box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.message-bubble {
    padding: 16px 24px;
    border-radius: 28px;
    font-size: 16px;
    line-height: 1.6;
    position: relative;
    box-shadow: 0 6px 18px rgba(0,0,0,0.06);
}

.msg-sent .message-bubble { background: var(--primary-gradient); color: white; border-bottom-right-radius: 5px; }
.msg-received .message-bubble { background: var(--white); color: var(--text-main); border: 2.3px solid var(--border-color); border-bottom-left-radius: 5px; }

.sender-name {
    font-size: 13px;
    font-weight: 800;
    display: block;
    margin-bottom: 8px;
    color: var(--hub-purple);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.msg-sent .sender-name { color: #fff; text-align: right; opacity: 0.95; }

.message-img {
    max-width: 100%;
    max-height: 350px;
    border-radius: 15px;
    margin-top: 10px;
    display: block;
    cursor: pointer;
    object-fit: contain;
    border: 1px solid rgba(0,0,0,0.1);
}

.btn-download {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(0,0,0,0.05);
    border-radius: 20px;
    text-decoration: none;
    color: inherit;
    font-size: 12px;
    font-weight: 700;
    margin-top: 12px;
    transition: 0.3s;
}
.msg-sent .btn-download { background: rgba(255,255,255,0.2); color: white; }
.btn-download:hover { background: var(--link-blue); color: white; }

.delete-btn {
    background: none; border: none; cursor: pointer; font-size: 14px; color: #cbd5e1;
    transition: 0.3s; margin-left: 10px; visibility: hidden; opacity: 0;
}
.message-wrapper:hover .delete-btn { visibility: visible; opacity: 1; }
.delete-btn:hover { color: #ff4757; transform: scale(1.2); }
.msg-sent .delete-btn { color: rgba(255,255,255,0.5); margin-right: 10px; margin-left: 0; }

.msg-footer { display: flex; justify-content: space-between; align-items: center; margin-top: 10px; gap: 20px; }
.msg-time { font-size: 11px; font-weight: 700; opacity: 0.6; }

.like-btn { background: none; border: none; cursor: pointer; font-size: 18px; color: #cbd5e1; transition: 0.3s; display: flex; align-items: center; gap: 6px; }
.msg-sent .like-btn { color: rgba(255, 255, 255, 0.5); }

.like-btn.liked i { color: #ff4757 !important; filter: drop-shadow(0 0 8px rgba(255, 71, 87, 0.6)); }
.like-btn:hover { transform: scale(1.25); }

.chat-input-bar {
    padding: 30px 45px;
    background: var(--white);
    border-top: 2px solid var(--border-color);
}

.chat-form {
    display: flex;
    gap: 25px;
    align-items: center;
    width: 100%;
}

#message-text {
    flex: 1; 
    border: 2px solid var(--border-color);
    border-radius: 35px;
    padding: 16px 30px;
    outline: none;
    resize: none;
    font-family: inherit;
    font-size: 17px;
    background: var(--bg-main);
    color: var(--text-main);
    transition: 0.3s;
}

#message-text:focus {
    border-color: var(--link-blue);
    background: var(--white);
    box-shadow: 0 0 20px rgba(34, 161, 210, 0.15);
}

.send-btn {
    background: var(--primary-gradient);
    color: white; border: none; width: 60px; height: 60px; border-radius: 50%; cursor: pointer;
    display: flex; align-items: center; justify-content: center; font-size: 24px; transition: 0.4s;
    box-shadow: 0 10px 25px rgba(139, 50, 204, 0.3);
}

.send-btn:hover { transform: scale(1.15) rotate(-10deg); box-shadow: 0 15px 30px rgba(34, 161, 210, 0.4); }

.file-preview { font-size: 14px; color: var(--link-blue); margin-top: 12px; font-weight: 800; padding-left: 20px; }

.poll-create-box {
    background: var(--white);
    border-radius: 35px;
    padding: 40px;
    box-shadow: var(--shadow-lg);
    border: 2.5px solid var(--hub-purple);
    margin-bottom: 50px;
    animation: fadeInBubble 0.5s ease;
}

.poll-option-input {
    display: flex;
    gap: 15px;
    margin-bottom: 15px;
}

.poll-card {
    background: var(--white);
    border-radius: 30px;
    padding: 30px;
    margin-bottom: 30px;
    border: 1.5px solid var(--border-color);
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    transition: 0.3s;
    position: relative;
    color: var(--text-main);
}

.poll-card:hover { 
    transform: translateY(-5px); 
    border-color: var(--link-blue); 
}

.poll-question {
    font-size: 22px;
    font-weight: 800;
    margin-bottom: 20px;
    color: var(--text-main);
}

.poll-option-row {
    margin-bottom: 15px;
    cursor: pointer;
}

.progress-container {
    height: 12px;
    background: var(--border-color);
    border-radius: 10px;
    overflow: hidden;
    margin-top: 8px;
    position: relative;
}

.progress-fill {
    height: 100%;
    background: var(--primary-gradient);
    width: 0%; 
    transition: width 1s cubic-bezier(0.1, 0.5, 0.1, 1);
}

.option-info {
    display: flex;
    justify-content: space-between;
    font-size: 14px;
    font-weight: 700;
}

.voted-mark {
    color: #10b981;
    font-size: 12px;
    margin-left: 10px;
    font-weight: 900;
}

.btn-add-option {
    background: var(--bg-main);
    color: var(--text-main);
    border: 2px dashed var(--border-color);
    padding: 12px;
    width: 100%;
    border-radius: 15px;
    cursor: pointer;
    font-weight: 700;
    margin-bottom: 20px;
    transition: 0.3s;
}

.btn-add-option:hover { 
    background: var(--border-color); 
    border-color: var(--link-blue); 
}

.btn-submit-poll {
    background: var(--primary-gradient);
    color: white;
    border: none;
    padding: 15px 30px;
    border-radius: 20px;
    font-weight: 800;
    cursor: pointer;
    width: 100%;
    font-size: 16px;
    box-shadow: 0 10px 20px rgba(139, 50, 204, 0.2);
}

.poll-date {
    font-size: 11px;
    color: var(--text-muted);
    font-weight: 700;
    margin-top: 20px;
    display: block;
}

.delete-poll-btn {
    position: absolute;
    top: 25px;
    right: 25px;
    background: none;
    border: none;
    color: #cbd5e1;
    cursor: pointer;
    font-size: 18px;
    transition: 0.3s;
}

.delete-poll-btn:hover {
    color: #ff4757;
    transform: scale(1.2);
}

.admin-table-box {
    background: var(--white);
    border-radius: 40px;
    padding: 40px;
    box-shadow: var(--shadow-lg);
    border: 2.5px solid var(--link-blue);
    margin-bottom: 60px;
    overflow-x: auto;
}

.user-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    table-layout: fixed;
}

.user-table th {
    padding: 20px 25px;
    font-size: 14px;
    text-transform: uppercase;
    color: var(--text-muted);
    border-bottom: 3px solid var(--bg-main);
    font-weight: 900;
    letter-spacing: 1.5px;
}

.user-table td {
    padding: 30px 25px; 
    border-bottom: 1px solid var(--border-color);
    font-size: 16px;
    vertical-align: middle;
    font-weight: 700;
    color: var(--text-main);
}

body.dark-theme .user-table tr:hover { background: rgba(255, 255, 255, 0.02); }
.user-table tr:hover:not(body.dark-theme tr) { background: #fcfdff; }

.role-badge {
    padding: 10px 20px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 800;
    text-transform: uppercase;
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.05);
    display: inline-block;
    min-width: 140px;
    text-align: center;
}
.role-admin { background: #e0f2fe; color: var(--link-blue); }
.role-user { background: var(--border-color); color: var(--text-muted); }

.btn-action {
    padding: 14px 28px;
    border-radius: 18px;
    font-size: 13px;
    font-weight: 800;
    cursor: pointer;
    border: none;
    transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: inline-flex;
    align-items: center;
    gap: 12px;
    margin-right: 12px;
    margin-bottom: 12px;
    text-transform: uppercase;
    box-shadow: var(--shadow-md);
}

.btn-give-admin { 
    background: #f0fdf4; 
    color: #16a34a; 
    border: 2px solid #bcf1cc; 
}
.btn-give-admin:hover { 
    background: #16a34a; 
    color: white; 
    transform: translateY(-4px);
    box-shadow: 0 10px 20px rgba(22, 163, 74, 0.2);
}

.btn-revoke-admin { 
    background: #fff7ed; 
    color: #ea580c; 
    border: 2px solid #fed7aa; 
}
.btn-revoke-admin:hover { 
    background: #ea580c; 
    color: white; 
    transform: translateY(-4px);
    box-shadow: 0 10px 20px rgba(234, 88, 12, 0.2);
}

.btn-delete-user { 
    background: #fef2f2; 
    color: #ef4444; 
    border: 2px solid #fecaca; 
    margin-bottom: 0;
}
.btn-delete-user:hover { 
    background: #ef4444; 
    color: white; 
    transform: translateY(-4px) scale(1.05);
    box-shadow: 0 10px 20px rgba(239, 68, 68, 0.2);
}

.create-user-panel {
    background: var(--white);
    border-radius: 40px;
    padding: 55px;
    box-shadow: var(--shadow-lg);
    border: 2.5px solid var(--hub-purple);
    max-width: 750px;
    margin: 0 auto 100px;
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 25px;
    width: 100%;
    min-height: 500px;
    margin-bottom: 50px;
    padding: 10px;
}

.video-wrapper {
    position: relative;
    background: #1a1a1a;
    border-radius: 35px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    border: 4px solid var(--link-blue);
    aspect-ratio: 16 / 10;
    transition: 0.3s ease;
}

.video-wrapper:hover {
    transform: scale(1.02);
    border-color: var(--hub-purple);
}

.video-wrapper video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    background: #000;
}

.video-label {
    position: absolute;
    bottom: 20px;
    left: 20px;
    background: rgba(0, 0, 0, 0.6);
    color: white;
    padding: 6px 18px;
    border-radius: 25px;
    font-size: 13px;
    font-weight: 800;
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255,255,255,0.1);
}

.call-controls {
    display: flex;
    gap: 20px;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    padding: 20px 40px;
    border-radius: 100px;
    border: 1.5px solid rgba(255, 255, 255, 0.2);
    box-shadow: var(--shadow-lg);
    z-index: 1001;
}

.btn-call {
    width: 65px;
    height: 65px;
    border-radius: 50%;
    border: none;
    cursor: pointer;
    font-size: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    color: white;
    box-shadow: 0 8px 15px rgba(0,0,0,0.1);
}

.btn-call-end { background: #ff4757; }
.btn-call-end:hover { transform: scale(1.15) rotate(135deg); box-shadow: 0 0 30px rgba(255, 71, 87, 0.4); }

.btn-call-action { background: rgba(255, 255, 255, 0.2); border: 1px solid rgba(255,255,255,0.3); }
.btn-call-action:hover { background: var(--link-blue); transform: translateY(-5px); }

.call-overlay {
    background: var(--white);
    padding: 60px;
    border-radius: 45px;
    text-align: center;
    box-shadow: var(--shadow-lg);
    border: 3px solid var(--hub-purple);
    margin: 40px auto;
    max-width: 600px;
    animation: fadeInBubble 0.6s ease;
}

.call-controls {
    position: fixed;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1000;
    display: flex;
    gap: 20px;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    padding: 15px 35px;
    border-radius: 100px;
    border: 1.5px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 20px 50px rgba(0,0,0,0.3);
}

.btn-call-rec {
    background: rgba(255, 255, 255, 0.15);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-call-rec:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.1);
}

.recording-active {
    background: #ff4757 !important;
    border-color: #ff4757 !important;
    animation: pulse-red 1.5s infinite;
}

@keyframes pulse-red {
    0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(255, 71, 87, 0.7); }
    70% { transform: scale(1.1); box-shadow: 0 0 0 15px rgba(255, 71, 87, 0); }
    100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(255, 71, 87, 0); }
}

.video-grid {
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    max-width: 1400px;
    margin: 0 auto 100px;
}

.video-label {
    letter-spacing: 1px;
    text-shadow: 0 2px 4px rgba(0,0,0,0.5);
}

.video-wrapper video {
    width: 100%;
    height: 100%;
    object-fit: contain !important;
    background: #000;
}

#main-video-container:fullscreen {
    max-width: none !important;
    width: 100vw !important;
    height: 100vh !important;
    background: #000 !important;
    padding: 0 !important;
    margin: 0 !important;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

#main-video-container:fullscreen .video-page-title {
    display: none !important;
}

#main-video-container:fullscreen .video-grid {
    flex: 1;
    width: 100%;
    height: 100%;
    max-width: none;
    margin: 0;
    padding: 10px;
    background: #000;
}

#main-video-container:fullscreen .call-controls {
    bottom: 30px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

/* --- AI ЧАТ СПЕЦИФИЧНИ СТИЛОВЕ --- */
.ai-bubble {
    background: white !important;
    border: 2.5px solid var(--hub-purple) !important;
    color: var(--text-main);
    box-shadow: 0 0 15px rgba(139, 50, 204, 0.15);
    animation: aiGlow 2s infinite ease-in-out;
}

@keyframes aiGlow {
    0%, 100% { border-color: var(--hub-purple); }
    50% { border-color: var(--link-blue); }
}

#ai-text {
    flex: 1; border: 2px solid var(--border-color); border-radius: 35px; padding: 16px 30px;
    outline: none; resize: none; font-family: inherit; font-size: 17px; background: #f9fbff;
    transition: 0.3s; height: 60px;
}

.label-row {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 5px;
}

.tooltip-container {
    position: relative;
    display: flex;
    align-items: center;
}

.info-icon {
    color: #999;
    font-size: 0.85rem;
    cursor: help;
}

.tooltip-box {
    visibility: hidden;
    width: 220px;
    background-color: #333;
    color: #ccc;
    text-align: center;
    border-radius: 5px;
    padding: 8px;
    position: absolute;
    z-index: 100;
    bottom: 125%;
    left: 50%;
    transform: translateX(-50%);
    opacity: 0;
    transition: opacity 0.2s;
    font-size: 0.75rem;
    line-height: 1.3;
    pointer-events: none;
    box-shadow: 0 4px 10px rgba(0,0,0,0.3);
}

.tooltip-container:hover .tooltip-box {
    visibility: visible;
    opacity: 1;
}

.tooltip-box::after {
    content: "";
    position: absolute;
    top: 100%;
    left: 50%;
    margin-left: -5px;
    border-width: 5px;
    border-style: solid;
    border-color: #333 transparent transparent transparent;
}
.auth-page {
    padding: 40px 0;
    height: auto; 
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.auth-box {
    margin: 20px auto;
}

.ai-bubble { color: #1a1a2e !important; }
.msg-sent .message-bubble { color: #f6f3f3 !important; }

.cookie-info-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 35px;
    height: 35px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: #f5dd0b;
    cursor: pointer;
    transition: all 0.3s ease;
}

.cookie-info-btn:hover {
    background: #c471ed;
    color: white;
    transform: rotate(15deg);
    box-shadow: 0 5px 15px rgba(196, 113, 237, 0.4);
}

.footer-zone {
    display: flex;
    align-items: center;
}
.global-info-trigger {
    position: fixed;
    top: 25px;
    right: 25px;
    font-size: 32px;
    color: #6c5ce7;
    cursor: pointer;
    transition: transform 0.2s ease, color 0.2s ease;
    z-index: 999;
    background: #fff;
    border-radius: 50%;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 45px;
    height: 45px;
}
.global-info-trigger:hover {
    transform: scale(1.1);
    color: #a29bfe;
}

.info-modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 12, 38, 0.7);
    backdrop-filter: blur(6px);
    z-index: 10000;
    justify-content: center;
    align-items: center;
}

.info-modal-content {
    background: #ffffff;
    padding: 35px;
    border-radius: 16px;
    max-width: 550px;
    width: 90%;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    position: relative;
    color: #2d3436;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    animation: modalSlideUp 0.3s ease-out;
    max-height: 85vh;
    overflow-y: auto;
}

@keyframes modalSlideUp {
    from { opacity: 0; transform: translateY(30px) scale(0.95); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

.info-modal-close {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 28px;
    cursor: pointer;
    color: #b2bec3;
    transition: color 0.2s ease;
}
.info-modal-close:hover {
    color: #2d3436;
}

.info-modal-content h3 {
    margin-top: 0;
    color: #6c5ce7;
    font-size: 24px;
    font-weight: 800;
    display: flex;
    align-items: center;
    gap: 10px;
    border-bottom: 2px solid #f1f2f6;
    padding-bottom: 15px;
}
.info-modal-content p {
    line-height: 1.6;
    font-size: 15px;
    color: #636e72;
}
.info-features-list {
    list-style: none;
    padding: 0;
    margin: 20px 0;
}
.info-features-list li {
    margin-bottom: 15px;
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 14.5px;
    line-height: 1.5;
}
.info-features-list i {
    color: #6c5ce7;
    font-size: 18px;
    margin-top: 3px;
    width: 20px;
    text-align: center;
}
.info-footer-note {
    background: #f1f2f6;
    padding: 12px 15px;
    border-left: 4px solid #6c5ce7;
    border-radius: 4px;
    font-size: 13.5px;
    font-weight: 600;
    color: #2d3436;
    margin-top: 20px;
}

/* =========================================================
   RESPONSIVE DESIGN ЗА МОБИЛНИ УСТРОЙСТВА
   Добавено за по-добра работа на LinkHub на таблети и телефони.
   ========================================================= */

@media (max-width: 1100px) {
    .container {
        max-width: 100%;
        padding: 0 18px;
    }

    .dashboard-grid {
        grid-template-columns: 1fr;
        gap: 22px;
    }

    .nav-list {
        gap: 6px;
    }

    .nav-list a {
        padding: 9px 13px;
        font-size: 13px;
    }

    .theme-switch-wrapper {
        margin-right: 8px;
    }

    .user-table {
        min-width: 720px;
    }

    .video-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
}

@media (max-width: 768px) {
    body {
        padding-bottom: 150px;
        overflow-x: hidden;
    }

    .container {
        width: 100%;
        padding: 0 14px;
    }

    .main-header {
        height: auto;
        min-height: 70px;
        padding: 8px 0 10px;
    }

    .header-flex {
        flex-direction: column;
        align-items: stretch;
        justify-content: center;
        gap: 6px;
    }

    .header-logo {
        width: 100%;
        height: 56px;
        display: flex;
        justify-content: center;
        align-items: center;
    }

    .header-logo img {
        position: static;
        height: 68px;
        max-width: 140px;
        object-fit: contain;
        transform: none;
    }

    .header-logo img:hover {
        transform: scale(1.03);
    }

    .main-nav {
        width: 100%;
        overflow-x: auto;
        scrollbar-width: thin;
        scrollbar-color: rgba(255,255,255,0.45) transparent;
        padding-bottom: 4px;
    }

    .main-nav::-webkit-scrollbar {
        height: 4px;
    }

    .main-nav::-webkit-scrollbar-thumb {
        background: rgba(255,255,255,0.45);
        border-radius: 20px;
    }

    .nav-list {
        width: max-content;
        min-width: 100%;
        justify-content: flex-start;
        gap: 6px;
        padding: 0 4px;
        flex-wrap: nowrap;
    }

    .nav-list a {
        white-space: nowrap;
        font-size: 12px;
        padding: 8px 11px;
        gap: 6px;
    }

    .theme-switch-wrapper {
        margin-right: 4px;
        flex: 0 0 auto;
    }

    .theme-switch {
        width: 50px;
        height: 26px;
    }

    .slider:before {
        height: 18px;
        width: 18px;
    }

    input:checked + .slider:before {
        transform: translateX(22px);
    }

    .main-footer {
        padding: 10px 0;
    }

    .footer-layout {
        flex-direction: column;
        justify-content: center;
        gap: 8px;
        text-align: center;
    }

    .footer-zone {
        flex: unset;
        width: 100%;
        justify-content: center;
    }

    .footer-center {
        order: 1;
    }

    .footer-right {
        order: 2;
        text-align: center;
        font-size: 12px;
    }

    .footer-socials {
        gap: 18px;
    }

    .footer-socials a {
        font-size: 19px;
    }

    .cookie-info-btn {
        width: 32px;
        height: 32px;
    }

    .auth-page {
        align-items: flex-start;
        padding: 30px 12px;
    }

    .auth-page-body {
        overflow-y: auto;
        height: auto;
        min-height: 100vh;
    }

    .auth-box {
        width: 100%;
        max-width: 440px;
        padding: 28px 24px;
        border-radius: 24px;
    }

    .auth-logo {
        width: 150px;
        margin-bottom: 14px;
    }

    .global-info-trigger {
        top: 14px;
        right: 14px;
        width: 40px;
        height: 40px;
        font-size: 26px;
    }

    .info-modal-content {
        width: 92%;
        padding: 24px;
        max-height: 82vh;
    }

    .info-modal-content h3 {
        font-size: 20px;
        padding-right: 24px;
    }

    .dashboard-grid {
        grid-template-columns: 1fr;
        margin-top: 24px;
        gap: 18px;
    }

    .content-box,
    .poll-create-box,
    .poll-card,
    .admin-table-box,
    .create-user-panel {
        border-radius: 24px;
        padding: 22px;
    }

    .profile-image-circle {
        width: 115px;
        height: 115px;
    }

    .chat-title {
        font-size: 32px;
        margin: 28px 0 18px;
        letter-spacing: 1.5px;
    }

    .chat-container {
        height: calc(100vh - 310px);
        min-height: 430px;
        border-radius: 28px;
        margin-bottom: 35px;
    }

    .chat-messages {
        padding: 20px;
        gap: 18px;
        border-radius: 28px 28px 0 0;
    }

    .message-wrapper {
        max-width: 96%;
        gap: 10px;
    }

    .chat-avatar {
        width: 40px;
        height: 40px;
    }

    .message-bubble {
        padding: 13px 16px;
        border-radius: 22px;
        font-size: 14px;
        line-height: 1.5;
        word-break: break-word;
    }

    .sender-name {
        font-size: 11px;
        margin-bottom: 6px;
    }

    .message-img {
        max-height: 240px;
    }

    .msg-footer {
        gap: 10px;
        flex-wrap: wrap;
    }

    .chat-input-bar {
        padding: 16px;
    }

    .chat-form {
        gap: 10px;
    }

    #message-text,
    #ai-text {
        min-width: 0;
        font-size: 15px;
        padding: 13px 16px;
        border-radius: 25px;
    }

    #ai-text {
        height: 52px;
    }

    .send-btn {
        width: 50px;
        height: 50px;
        min-width: 50px;
        font-size: 20px;
    }

    .poll-create-box {
        margin-bottom: 28px;
    }

    .poll-option-input {
        flex-direction: column;
        gap: 8px;
    }

    .poll-question {
        font-size: 19px;
        padding-right: 32px;
    }

    .delete-poll-btn {
        top: 20px;
        right: 20px;
    }

    .admin-table-box {
        overflow-x: auto;
        padding: 18px;
        margin-bottom: 35px;
    }

    .user-table {
        min-width: 680px;
    }

    .user-table th {
        padding: 14px 16px;
        font-size: 12px;
    }

    .user-table td {
        padding: 18px 16px;
        font-size: 14px;
    }

    .role-badge {
        min-width: 110px;
        padding: 8px 12px;
        font-size: 11px;
    }

    .btn-action {
        padding: 10px 14px;
        font-size: 11px;
        border-radius: 14px;
        margin-right: 8px;
        margin-bottom: 8px;
    }

    .create-user-panel {
        max-width: 100%;
        margin-bottom: 70px;
    }

    .video-grid {
        grid-template-columns: 1fr;
        gap: 16px;
        min-height: auto;
        margin: 0 auto 120px;
        padding: 4px;
    }

    .video-wrapper {
        border-radius: 24px;
        border-width: 3px;
        aspect-ratio: 16 / 9;
    }

    .video-label {
        bottom: 12px;
        left: 12px;
        font-size: 12px;
        padding: 5px 13px;
    }

    .call-overlay {
        padding: 32px 22px;
        border-radius: 28px;
        margin: 25px auto;
        max-width: 100%;
    }

    .call-controls {
        width: calc(100% - 24px);
        max-width: 520px;
        bottom: 86px;
        gap: 10px;
        padding: 12px;
        border-radius: 28px;
        overflow-x: auto;
        justify-content: flex-start;
    }

    .btn-call {
        width: 50px;
        height: 50px;
        min-width: 50px;
        font-size: 18px;
    }

    #main-video-container:fullscreen .call-controls {
        bottom: 18px;
        width: calc(100% - 24px);
        justify-content: center;
    }

    #main-video-container:fullscreen .video-grid {
        grid-template-columns: 1fr;
        padding: 8px;
        margin: 0;
    }

    .modal-content {
        width: 92%;
        margin: 12% auto;
        padding: 26px;
        border-radius: 20px;
        max-height: 80vh;
        overflow-y: auto;
    }

    .tooltip-box {
        width: 190px;
        left: auto;
        right: 0;
        transform: none;
    }

    .tooltip-box::after {
        left: auto;
        right: 12px;
    }
}

@media (max-width: 480px) {
    body {
        padding-bottom: 160px;
    }

    .container {
        padding: 0 10px;
    }

    .main-header {
        padding-top: 6px;
    }

    .header-logo {
        height: 50px;
    }

    .header-logo img {
        height: 60px;
    }

    .nav-list a {
        font-size: 11px;
        padding: 7px 9px;
    }

    .nav-list a i {
        font-size: 13px;
    }

    .footer-socials {
        gap: 14px;
    }

    .footer-socials a {
        font-size: 18px;
    }

    .footer-right {
        font-size: 11px;
    }

    .auth-box {
        padding: 24px 18px;
        border-radius: 22px;
    }

    .auth-logo {
        width: 130px;
    }

    .g-recaptcha {
        transform: scale(0.84);
        transform-origin: center;
    }

    .form-group input,
    .form-group textarea {
        font-size: 14px;
        padding: 11px 12px;
    }

    .btn-primary {
        padding: 12px;
        font-size: 15px;
    }

    .content-box,
    .poll-create-box,
    .poll-card,
    .admin-table-box,
    .create-user-panel {
        padding: 18px;
        border-radius: 20px;
    }

    .chat-title {
        font-size: 26px;
        letter-spacing: 1px;
        margin: 22px 0 14px;
    }

    .chat-container {
        min-height: 390px;
        height: calc(100vh - 300px);
        border-radius: 22px;
        border-width: 2px;
    }

    .chat-messages {
        padding: 14px;
        gap: 14px;
    }

    .message-wrapper {
        max-width: 100%;
    }

    .chat-avatar {
        width: 34px;
        height: 34px;
    }

    .message-bubble {
        font-size: 13.5px;
        padding: 11px 14px;
        border-radius: 18px;
    }

    .message-img {
        max-height: 200px;
    }

    .chat-input-bar {
        padding: 12px;
    }

    .chat-form {
        gap: 8px;
    }

    #message-text,
    #ai-text {
        font-size: 14px;
        padding: 11px 13px;
    }

    .send-btn {
        width: 46px;
        height: 46px;
        min-width: 46px;
        font-size: 18px;
    }

    .poll-question {
        font-size: 17px;
    }

    .option-info {
        font-size: 13px;
        gap: 8px;
    }

    .voted-mark {
        display: block;
        margin-left: 0;
        margin-top: 4px;
    }

    .user-table {
        min-width: 620px;
    }

    .user-table th,
    .user-table td {
        padding: 14px 12px;
    }

    .btn-action {
        width: 100%;
        justify-content: center;
        margin-right: 0;
    }

    .video-grid {
        gap: 12px;
        margin-bottom: 110px;
    }

    .video-wrapper {
        border-radius: 18px;
        border-width: 2px;
    }

    .call-overlay {
        padding: 26px 16px;
        border-radius: 22px;
    }

    .call-controls {
        bottom: 88px;
        gap: 8px;
        padding: 10px;
        border-radius: 24px;
    }

    .btn-call {
        width: 46px;
        height: 46px;
        min-width: 46px;
        font-size: 16px;
    }

    .info-modal-content {
        padding: 20px;
        width: 94%;
    }

    .info-modal-content h3 {
        font-size: 18px;
    }

    .info-modal-content p,
    .info-features-list li {
        font-size: 13.5px;
    }
}

@media (max-width: 360px) {
    .nav-list a {
        font-size: 10.5px;
        padding: 7px 8px;
    }

    .chat-title {
        font-size: 23px;
    }

    .btn-call {
        width: 42px;
        height: 42px;
        min-width: 42px;
    }

    .call-controls {
        gap: 6px;
    }

    .g-recaptcha {
        transform: scale(0.76);
    }
}