/* === Root Variables === */
:root {
    --cama-primary: #4a6fdc;
    --cama-success: #2ecc71;
    --cama-danger: #e74c3c;
    --cama-warning: #f39c12;
    --cama-dark: #2c3e50;
    --cama-bg: #f8f9fa;
    --cama-card-radius: 8px;
    --cama-shadow: 0 8px 20px rgba(0,0,0,0.12);
    --cama-anim: 0.3s;
    --sidebar-width: 250px;
    --sidebar-bg: #23282d;
    --sidebar-color: #e5e5e5;
    --sidebar-active: #00a8ff;
    --sidebar-border: #007cba;
    --main-bg: #f8f9fa;
}

/* === Animations === */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}
@keyframes spin {
    to { transform: rotate(360deg); }
}

/* === Base Styles === */
body {
    background-color: var(--cama-bg);
    font-family: 'Segoe UI', system-ui, sans-serif;
    opacity: 0;
    animation: fadeIn 0.3s forwards;
}

/* === Buttons === */
.uk-button .uk-icon {
    font-size: 18px !important;
    height: 18px !important;
    width: 18px !important;
}

.uk-button {
    border-radius: calc(var(--cama-card-radius) * 0.7);
    transition: all var(--cama-anim);
    position: relative;
    overflow: hidden;
}
.uk-button::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.3) 0%, transparent 70%);
    opacity: 0;
    pointer-events: none;
    transform: scale(0);
    transition: transform 0.5s, opacity 0.5s;
}
.uk-button:active::before {
    opacity: 1;
    transform: scale(1);
}

.uk-button-primary { background-color: var(--cama-primary) !important; }
.uk-button-success { background-color: var(--cama-success) !important; }
.uk-button-danger  { background-color: var(--cama-danger)  !important; }
.uk-button-warning { background-color: var(--cama-warning) !important; }

/* === Inputs & Forms === */
.uk-input, .uk-select, .uk-textarea {
    border-radius: var(--cama-card-radius) !important;
    border: 1px solid #ddd !important;
    transition: all var(--cama-anim);
}
.uk-input:focus, .uk-select:focus, .uk-textarea:focus {
    border-color: var(--cama-primary) !important;
    box-shadow: 0 0 0 2px rgba(74, 111, 220, 0.2) !important;
    transform: translateY(-1px);
}

/* === Cards === */
.uk-card {
    border-radius: var(--cama-card-radius);
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
    transition: transform var(--cama-anim), box-shadow var(--cama-anim), border-color 0.2s;
    overflow: hidden;
    border: 1px solid transparent;
}
.uk-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--cama-shadow);
    border-color: rgba(0,0,0,0.05);
}

/* === Tables === */
.uk-table th {
    background-color: #f1f3f5;
    font-weight: 600;
    color: var(--cama-dark);
    transition: background-color 0.2s;
}
.uk-table th:hover {
    background-color: #eaecef;
}

/* === Flash Messages === */
.uk-alert {
    border-radius: var(--cama-card-radius);
    border-left: 4px solid var(--cama-primary);
    box-shadow: var(--cama-shadow);
    transform: translateX(0);
    transition: transform var(--cama-anim);
}
.uk-alert:hover {
    transform: translateX(4px);
}

/* === Icons === */
.spin {
    animation: spin var(--cama-anim) linear infinite;
}

/* === Loader === */
.loader {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid #f3f3f3;
    border-top: 2px solid var(--cama-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

/* === Cama Custom Navbar (Public) === */
.cama-navbar {
    background: linear-gradient(to right, #1e3a8a, #3b82f6);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
    padding: 0;
    margin: 0 auto;
    position: relative;
    z-index: 980;
}

.cama-nav {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    gap: 0;
}

.cama-nav li {
    position: relative;
    display: flex;
}

.nav-link {
    display: block;
    color: rgba(255, 255, 255, 0.85);
    font-weight: 500;
    font-size: 16px;
    letter-spacing: 0.5px;
    text-decoration: none;
    padding: 12px 24px;
    transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
    position: relative;
    z-index: 1;
    text-shadow: 0 1px 2px rgba(0,0,0,0.2);
}

.nav-link:hover,
.nav-link:focus {
    color: white !important;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 120, 255, 0.3);
}

.active > .nav-link {
    color: white !important;
    font-weight: 600;
}

.active::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60%;
    height: 3px;
    background: #60a5fa;
    border-radius: 3px 3px 0 0;
    animation: growBar 0.4s ease-out;
}

.nav-link::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 80px;
    height: 80px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.3) 0%, transparent 70%);
    transform: translate(-50%, -50%) scale(0);
    pointer-events: none;
    transition: transform 0.6s ease;
    z-index: -1;
    opacity: 0;
}

.nav-link:hover::after {
    transform: translate(-50%, -50%) scale(1);
    opacity: 1;
}

@keyframes growBar {
    0% { width: 0; }
    100% { width: 60%; }
}

.nav-logout { color: #f87171 !important; font-weight: 600; }
.nav-login { color: #a7f3d0 !important; font-weight: 600; }

/* === Admin Sidebar === */
#admin-sidebar {
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    width: var(--sidebar-width);
    background: var(--sidebar-bg);
    color: var(--sidebar-color);
    z-index: 990;
    transition: transform 0.3s ease;
    overflow-y: auto;
    border-right: 1px solid var(--sidebar-border);
}

#admin-sidebar.collapsed {
    transform: translateX(-100%);
}

#admin-sidebar .logo {
    padding: 20px;
    background: var(--primary);
    color: white;
    text-align: center;
    font-weight: bold;
    margin: 0;
    font-size: 18px;
}

#admin-sidebar .menu-item {
    padding: 12px 20px;
    display: block;
    color: var(--sidebar-color);
    text-decoration: none;
    border-left: 3px solid transparent;
    transition: all 0.2s;
}

#admin-sidebar .menu-item:hover,
#admin-sidebar .menu-item.active {
    background: #2a3137;
    border-left-color: var(--sidebar-active);
    color: var(--sidebar-active);
}

.submenu {
    padding-left: 20px;
    margin: 4px 0;
    display: none;
}

.submenu.show {
    display: block;
}

.submenu a {
    padding: 8px 0;
    display: block;
    color: #aaa;
    font-size: 14px;
    text-decoration: none;
}

.submenu a.active,
.submenu a:hover {
    color: var(--sidebar-active);
}

.admin-sidebar {
    background: white;
    border-right: 1px solid #ddd;
    height: calc(100vh - 60px);
    position: fixed;
    width: 260px;
    overflow-y: auto;
    padding: 20px 0;
    z-index: 900;
    box-shadow: 2px 0 10px rgba(0,0,0,0.08);
    transition: transform 0.3s;
}

.admin-sidebar:hover {
    transform: translateX(2px);
}

.admin-sidebar .uk-nav-header {
    padding-left: 20px;
    font-size: 1.1em;
    color: var(--cama-dark);
    font-weight: 600;
}

.admin-sidebar .uk-nav-sub a {
    color: #555 !important;
    transition: all 0.2s;
}

.admin-sidebar .uk-nav-sub a:hover {
    color: var(--cama-primary) !important;
    padding-left: 5px;
}

/* === Layout Spacing === */
.uk-section {
    padding-top: 10px;
}

.centered-responsive-div {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    box-shadow: rgba(50, 50, 93, 0.25) 0px 13px 27px -5px, rgba(0, 0, 0, 0.3) 0px 8px 16px -8px;
    width: 80vw;
    max-width: 600px;
    aspect-ratio: 16 / 9;
    background-color: #f6f6f6;
    padding: 27px;
    box-sizing: border-box;
}

/* === Footer === */
.admin-footer {
    margin-left: 260px;
    padding: 20px;
    text-align: center;
    font-size: 0.9em;
    color: #666;
    border-top: 1px solid #eee;
    margin-top: 40px;
    opacity: 0.9;
    transition: opacity 0.2s;
}

.admin-footer:hover {
    opacity: 1;
}

/* === Responsive Adjustments === */
@media (max-width: 768px) {
    .admin-sidebar,
    .admin-footer {
        margin-left: 0;
    }
    .cama-nav {
        flex-direction: column;
        align-items: center;
    }
    .cama-nav li { width: 100%; text-align: center; }
    .nav-link { padding: 14px 0; font-size: 15px; }
    .active::before {
        width: 40%;
        height: 4px;
    }
}