:root {
    --primary-color: #ff4d6d;
    --primary-hover: #ff758f;
    --secondary-color: #6c757d;
    --background-color: #0f0f12;
    --card-bg: rgba(255, 255, 255, 0.05);
    --text-color: #f8f9fa;
    --text-muted: #adb5bd;
    --border-color: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-grad: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0));
    --radius: 12px;
}

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

body {
    font-family: 'Outfit', sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
}

header {
    background: rgba(15, 15, 18, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

@media (max-width: 600px) {
    .header-content {
        flex-direction: row;
        gap: 10px;
    }
}

.logo a {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-color);
    text-decoration: none;
    letter-spacing: -0.5px;
    display: flex;
    align-items: center;
}

@media (max-width: 600px) {
    .logo a {
        font-size: 18px;
    }
    .logo img {
        height: 24px !important;
        margin-right: 5px !important;
    }
}

.logo span {
    color: var(--primary-color);
}

nav a {
    color: var(--text-color);
    text-decoration: none;
    margin-left: 20px;
    font-weight: 400;
    transition: color 0.3s;
}

@media (max-width: 600px) {
    nav {
        display: flex;
        flex-direction: row;
        justify-content: flex-end;
        gap: 8px;
    }

    nav a {
        margin-left: 0;
        font-size: 13px;
        padding: 4px 8px;
    }
}

nav a:hover {
    color: var(--primary-color);
}

.btn-primary, .btn-secondary {
    padding: 8px 20px;
    border-radius: var(--radius);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s;
    cursor: pointer;
    border: 1px solid transparent;
    display: inline-block;
    font-family: inherit;
    font-size: 14px;
    line-height: 1.2;
    appearance: none;
    -webkit-appearance: none;
    vertical-align: middle;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(255, 77, 109, 0.3);
}

.btn-secondary {
    background-color: var(--card-bg);
    color: var(--text-color);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

main {
    flex: 1;
    width: 100%;
}

main.container {
    padding: 20px 20px 40px 20px;
    margin-top: 10px;
}

@media (max-width: 600px) {
    main.container {
        padding: 10px 15px 30px 15px;
    }
}

footer {
    padding: 30px 0;
    text-align: center;
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: 14px;
}

/* Forms */
.form-card {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    padding: 40px;
    border-radius: 20px;
    max-width: 500px;
    margin: 0 auto;
}

h1, h2, h3 {
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 20px;
}

label {
    display: block;
    margin-bottom: 8px;
    font-size: 14px;
    color: var(--text-muted);
}

input, select, textarea {
    width: 100%;
    padding: 12px 15px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    color: var(--text-color);
    font-family: inherit;
    font-size: 16px;
    transition: border-color 0.3s;
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

/* Profile Tabs */
.profile-container {
    display: grid;
    grid-template-columns: 250px 1fr;
    gap: 30px;
    width: 100%;
}

@media (max-width: 768px) {
    .profile-container {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}

.profile-view-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
    width: 100%;
}

.icon-external {
    display: inline-block;
    width: 14px;
    height: 14px;
    margin-left: 5px;
    vertical-align: middle;
    opacity: 0.7;
}

@media (max-width: 992px) {
    .profile-view-grid {
        grid-template-columns: 1fr;
    }
}


.tabs-nav {
    display: flex;
    flex-direction: column;
}

@media (max-width: 768px) {
    .tabs-nav {
        flex-direction: row;
        overflow-x: auto;
        white-space: nowrap;
        padding-bottom: 5px;
        margin-bottom: 15px;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        gap: 8px;
        border-bottom: 1px solid var(--border-color);
    }

    .tabs-nav::-webkit-scrollbar {
        display: none;
    }
}

.tabs-content {
    width: 100%;
}

.tab-btn {
    padding: 15px 20px;
    background: none;
    border: none;
    color: var(--text-muted);
    text-align: left;
    cursor: pointer;
    font-size: 16px;
    font-weight: 500;
    border-radius: var(--radius);
    transition: all 0.3s;
    margin-bottom: 5px;
}

@media (max-width: 768px) {
    .tab-btn {
        margin-bottom: 0;
        padding: 10px 15px;
        font-size: 14px;
        flex: 0 0 auto;
        text-align: center;
    }
}

.btn-main-image {
    background: var(--primary-color);
    color: white;
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 11px;
    text-decoration: none;
    font-weight: 600;
    text-transform: uppercase;
}

.btn-main-image:hover {
    background: var(--primary-hover);
    box-shadow: 0 0 10px rgba(255, 77, 109, 0.5);
}

.active-main-badge {
    background: #4df3ff;
    color: #000;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 10px;
    font-weight: 700;
}


.tab-btn.active {
    background: var(--card-bg);
    color: var(--primary-color);
    border: 1px solid var(--glass-border);
}

.tab-content-panel {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    padding: 30px;
    border-radius: 20px;
}

@media (max-width: 768px) {
    .tab-content-panel {
        padding: 20px;
    }
}

.hidden {
    display: none;
}

/* Home Grid */
.couples-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
}

.couple-card {
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    overflow: hidden;
    transition: transform 0.3s;
}

.couple-card:hover {
    transform: translateY(-5px);
}

.couple-image {
    height: 250px;
    background-size: cover;
    background-position: center;
    position: relative;
}

.couple-info {
    padding: 20px;
}

.couple-info h3 {
    margin-bottom: 5px;
}

.couple-meta {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 10px;
}

.filters-bar {
    background: var(--card-bg);
    padding: 20px;
    border-radius: 20px;
    margin-bottom: 40px;
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    align-items: flex-end;
}

.filters-row {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    width: 100%;
}

.advanced-filters {
    display: none;
    width: 100%;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.advanced-filters.show {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.filter-toggle {
    background: none;
    border: none;
    color: var(--primary-color);
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    padding: 0;
    margin-bottom: 15px;
    text-decoration: underline;
}

.checkbox-group {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    background: rgba(255, 255, 255, 0.02);
    padding: 12px;
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
}

.checkbox-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    cursor: pointer;
    color: var(--text-muted);
}

.checkbox-item input {
    width: auto;
}

.couple-card-link {
    text-decoration: none;
    color: inherit;
    display: block;
}

.couple-card-link:hover {
    text-decoration: none;
}

/* Responsive Grids */
.grid-2-cols {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

@media (max-width: 600px) {
    .grid-2-cols {
        grid-template-columns: 1fr;
    }
}

.admin-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

@media (max-width: 600px) {
    .admin-stats-grid {
        grid-template-columns: 1fr;
    }
}

.flex-between-responsive {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
}

@media (max-width: 600px) {
    .flex-between-responsive {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }
}

.profile-header-flex {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

@media (max-width: 600px) {
    .profile-header-flex {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
        padding: 15px;
    }
}