/* Tema Ocean */
[data-theme="ocean"] {
    --ocean-deep: #003d5c;
    --ocean-blue: #0066cc;
    --ocean-light: #4da6ff;
    --ocean-cyan: #00ccff;
    --ocean-teal: #00b3b3;
    --ocean-foam: #66e6ff;
    --ocean-dark: #001f2e;
    --ocean-card: #002a42;
    --ocean-text: #e6f7ff;
    --ocean-text-muted: #b3e0ff;
    --ocean-border: #0066cc;
    --ocean-shadow: 0 4px 20px rgba(0, 102, 204, 0.3);
    --ocean-gradient: linear-gradient(45deg, var(--ocean-deep), var(--ocean-blue), var(--ocean-light));
    
    background: linear-gradient(135deg, var(--ocean-dark) 0%, var(--ocean-deep) 100%);
    color: var(--ocean-text);
    background-image: 
        radial-gradient(circle at 25% 75%, rgba(0, 204, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 75% 25%, rgba(77, 166, 255, 0.1) 0%, transparent 50%);
}

[data-theme="ocean"] .theme-card {
    background: var(--ocean-card);
    border: 2px solid var(--ocean-border);
    border-radius: 15px;
    padding: var(--padding-card);
    margin: var(--margin-card) 0;
    box-shadow: var(--ocean-shadow);
    backdrop-filter: blur(10px);
    position: relative;
}

[data-theme="ocean"] .theme-card::before {
    content: '';
    position: absolute;
    top: -1px; left: -1px; right: -1px; bottom: -1px;
    background: var(--ocean-gradient);
    border-radius: 15px;
    z-index: -1;
    opacity: 0;
    transition: opacity 0.3s ease;
}

[data-theme="ocean"] .theme-card:hover::before {
    opacity: 0.3;
}

[data-theme="ocean"] .theme-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(0, 102, 204, 0.4);
}

[data-theme="ocean"] .theme-btn {
    background: var(--ocean-blue);
    border: 2px solid var(--ocean-light);
    color: white;
    padding: 12px 24px;
    border-radius: 25px;
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(0, 102, 204, 0.3);
    overflow: hidden;
    position: relative;
}

[data-theme="ocean"] .theme-btn::before {
    content: '';
    position: absolute;
    top: 0; left: -100%; right: 0; bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

[data-theme="ocean"] .theme-btn:hover::before {
    left: 100%;
}

[data-theme="ocean"] .theme-btn:hover {
    background: var(--ocean-light);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(77, 166, 255, 0.4);
}

[data-theme="ocean"] .theme-btn.btn-pink {
    background: var(--ocean-teal);
    border-color: var(--ocean-cyan);
    box-shadow: 0 4px 15px rgba(0, 179, 179, 0.3);
}

[data-theme="ocean"] .theme-btn.btn-pink:hover {
    background: var(--ocean-cyan);
    box-shadow: 0 6px 20px rgba(0, 204, 255, 0.4);
}

[data-theme="ocean"] .theme-btn.btn-green {
    background: var(--ocean-teal);
    border-color: var(--ocean-foam);
    box-shadow: 0 4px 15px rgba(0, 179, 179, 0.3);
}

[data-theme="ocean"] .theme-btn.btn-green:hover {
    background: var(--ocean-foam);
    color: var(--ocean-dark);
    box-shadow: 0 6px 20px rgba(102, 230, 255, 0.4);
}

[data-theme="ocean"] .form-control,
[data-theme="ocean"] .form-select {
    background: rgba(0, 42, 66, 0.8);
    border: 2px solid rgba(0, 102, 204, 0.5);
    color: var(--ocean-text);
    border-radius: var(--border-radius);
    padding: 12px 15px;
    backdrop-filter: blur(5px);
}

[data-theme="ocean"] .form-control:focus,
[data-theme="ocean"] .form-select:focus {
    background: rgba(0, 42, 66, 1);
    border-color: var(--ocean-light);
    color: var(--ocean-text);
    box-shadow: 0 0 20px rgba(77, 166, 255, 0.3);
}

[data-theme="ocean"] .form-control::placeholder {
    color: var(--ocean-text-muted);
}

[data-theme="ocean"] .form-label {
    color: var(--ocean-light);
    font-weight: 600;
    margin-bottom: 8px;
    display: block;
}

[data-theme="ocean"] .nav-link {
    color: var(--ocean-text-muted) !important;
    border-left: 3px solid transparent;
    padding: 12px 20px !important;
    border-radius: 0 12px 12px 0;
    margin-bottom: 2px;
}

[data-theme="ocean"] .nav-link:hover {
    color: var(--ocean-text) !important;
    background: rgba(77, 166, 255, 0.1);
    border-left-color: var(--ocean-light);
    box-shadow: inset 0 0 10px rgba(77, 166, 255, 0.1);
}

[data-theme="ocean"] .nav-link.active {
    color: var(--ocean-foam) !important;
    background: rgba(0, 204, 255, 0.15);
    border-left-color: var(--ocean-cyan);
    font-weight: 600;
}

[data-theme="ocean"] .table {
    background: var(--ocean-card);
    color: var(--ocean-text);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--ocean-shadow);
    backdrop-filter: blur(10px);
}

[data-theme="ocean"] .table thead {
    background: var(--ocean-gradient);
    color: white;
}

[data-theme="ocean"] .table th {
    padding: 16px;
    font-weight: 600;
    border: none;
}

[data-theme="ocean"] .table td {
    padding: 14px 16px;
    border-bottom: 1px solid rgba(0, 102, 204, 0.2);
}

[data-theme="ocean"] .table tbody tr:hover {
    background: rgba(77, 166, 255, 0.1);
    backdrop-filter: blur(5px);
}

[data-theme="ocean"] .theme-title {
    color: var(--ocean-text);
    font-weight: 700;
    text-align: center;
    background: var(--ocean-gradient);
    -webkit-background-clip: text;
    /*-webkit-text-fill-color: transparent;*/
    background-clip: text;
    text-shadow: 0 0 30px rgba(77, 166, 255, 0.5);
}

[data-theme="ocean"] .theme-subtitle {
    color: var(--ocean-light);
    font-weight: 600;
}

[data-theme="ocean"] .alert {
    border-radius: var(--border-radius);
    padding: 16px;
    margin: 15px 0;
    backdrop-filter: blur(10px);
    border: 2px solid;
}

[data-theme="ocean"] .alert.alert-success {
    background: rgba(0, 179, 179, 0.1);
    color: var(--ocean-foam);
    border-color: var(--ocean-teal);
}

[data-theme="ocean"] .alert.alert-danger {
    background: rgba(255, 102, 102, 0.1);
    color: #ff9999;
    border-color: #ff6666;
}

[data-theme="ocean"] .dashboard-card {
    background: var(--ocean-card);
    border: 2px solid var(--ocean-border);
    border-radius: 20px;
    padding: 24px;
    text-align: center;
    box-shadow: var(--ocean-shadow);
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}

[data-theme="ocean"] .dashboard-card::before {
    content: '';
    position: absolute;
    top: 0; left: -100%;
    width: 100%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(77, 166, 255, 0.1), transparent);
    transition: left 0.6s;
}

[data-theme="ocean"] .dashboard-card:hover::before {
    left: 100%;
}

[data-theme="ocean"] .dashboard-card:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 10px 40px rgba(0, 102, 204, 0.4);
}

[data-theme="ocean"] .dashboard-value {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--ocean-foam);
    text-shadow: 0 0 20px rgba(102, 230, 255, 0.5);
}

[data-theme="ocean"] .sidebar {
    background: var(--ocean-card);
    border-right: 2px solid var(--ocean-border);
    box-shadow: 4px 0 20px rgba(0, 102, 204, 0.2);
    backdrop-filter: blur(10px);
}

[data-theme="ocean"] .top-row {
    background: var(--ocean-card);
    border-bottom: 2px solid var(--ocean-border);
    box-shadow: 0 2px 20px rgba(0, 102, 204, 0.2);
    backdrop-filter: blur(10px);
}