@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

:root {
    --primary-dark: #0F172A;
    --primary: #1E3A5F;
    --primary-light: #2D5F8A;
    --accent: #F59E0B;
    --accent-light: #FCD34D;
    --surface: #FFFFFF;
    --surface-alt: #F8FAFC;
    --text-primary: #1E293B;
    --text-secondary: #64748B;
    --text-muted: #94A3B8;
    --border: #E2E8F0;
    --shadow-sm: 0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
    --shadow-md: 0 4px 6px rgba(0,0,0,.05), 0 10px 15px rgba(0,0,0,.05);
    --shadow-lg: 0 10px 25px rgba(0,0,0,.08), 0 20px 40px rgba(0,0,0,.04);
    --radius: 12px;
    --radius-sm: 8px;
}

* { box-sizing: border-box; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--surface-alt);
    color: var(--text-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Dashboard body */
.dashboard-page {
    background: url('/img/batimetre_font.png') center/cover fixed;
}

/* Navbar */
.navbar {
    background: rgba(255,255,255,.12) !important;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: 0 4px 20px rgba(0,0,0,.08);
    padding: .75rem 0;
    border-bottom: 1px solid rgba(255,255,255,.2);
}

.navbar-brand {
    font-weight: 800;
    font-size: 1.25rem;
    letter-spacing: -.5px;
    color: var(--text-primary) !important;
}

.navbar .nav-link {
    font-weight: 500;
    font-size: .875rem;
    padding: .5rem .875rem !important;
    border-radius: var(--radius-sm);
    transition: all .2s ease;
    color: var(--text-secondary) !important;
}

.navbar .nav-link:hover {
    color: var(--text-primary) !important;
    background: rgba(0,0,0,.05);
}

.navbar .nav-link img {
    vertical-align: middle;
    border-radius: 2px;
}

/* Cards */
.card {
    border: none;
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    transition: all .25s ease;
    background: var(--surface);
}

.card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.card-header {
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: 1rem 1.25rem;
    font-weight: 600;
}

.card-footer {
    background: transparent;
    border-top: 1px solid var(--border);
}

.card-footer a {
    color: var(--primary-light);
    font-weight: 500;
    transition: color .2s;
}

.card-footer a:hover {
    color: var(--primary);
}

/* Dashboard stat cards - premium glassmorphism */
.stat-card {
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(255,255,255,.25);
    border-radius: var(--radius);
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: all .3s ease;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    background: rgba(255,255,255,.08);
    box-shadow: 0 8px 32px rgba(0,0,0,.08);
}

.stat-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radius);
    padding: 1px;
    background: linear-gradient(135deg, rgba(255,255,255,.4), rgba(255,255,255,.05));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0,0,0,.12);
    background: rgba(255,255,255,.12);
}

.stat-card.primary { background: linear-gradient(135deg, rgba(30,58,95,.7), rgba(45,95,138,.5)); }
.stat-card.success { background: linear-gradient(135deg, rgba(5,150,105,.7), rgba(16,185,129,.5)); }
.stat-card.warning { background: linear-gradient(135deg, rgba(217,119,6,.7), rgba(245,158,11,.5)); }
.stat-card.info { background: linear-gradient(135deg, rgba(37,99,235,.7), rgba(59,130,246,.5)); }

.stat-icon {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,.2);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    flex-shrink: 0;
}

.stat-icon .bi {
    font-size: 1.5rem;
    color: #fff;
}

.stat-info {
    display: flex;
    flex-direction: column;
}

.stat-value {
    font-weight: 800;
    font-size: 1.75rem;
    color: #fff;
    line-height: 1.2;
    text-shadow: 0 1px 4px rgba(0,0,0,.15);
}

.stat-label {
    font-weight: 500;
    font-size: .8rem;
    color: rgba(255,255,255,.8);
    text-transform: uppercase;
    letter-spacing: .05em;
    text-shadow: 0 1px 2px rgba(0,0,0,.1);
}

/* Buttons */
.btn {
    font-weight: 600;
    padding: .5rem 1.25rem;
    border-radius: var(--radius-sm);
    transition: all .2s ease;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    border: none;
    box-shadow: 0 2px 8px rgba(30,58,95,.25);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(30,58,95,.35);
}

.btn-lg {
    padding: .75rem 1.5rem;
    border-radius: var(--radius-sm);
}

/* Forms */
.form-control, .form-select {
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    padding: .625rem 1rem;
    font-size: .9375rem;
    transition: all .2s ease;
    background: var(--surface);
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary-light);
    box-shadow: 0 0 0 4px rgba(45,95,138,.1);
}

.form-label {
    font-weight: 600;
    font-size: .875rem;
    color: var(--text-primary);
    margin-bottom: .375rem;
}

/* Dashboard header */
.page-header {
    padding: 1.5rem 0 1rem;
}

.page-header h4 {
    font-weight: 800;
    color: var(--text-primary);
    font-size: 1.5rem;
}

.page-header span {
    color: var(--text-muted);
    font-size: .85rem;
}

/* Footer */
.footer {
    background: rgba(255,255,255,.1) !important;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-top: 1px solid rgba(255,255,255,.2) !important;
    padding: 1rem 0;
}

.footer span,
.footer small {
    color: var(--text-secondary) !important;
    font-size: .8rem;
}

/* Tables */
.table {
    margin-bottom: 0;
}

.table th {
    font-weight: 600;
    font-size: .8rem;
    text-transform: uppercase;
    letter-spacing: .03em;
    color: var(--text-secondary);
    border-bottom: 2px solid var(--border);
    padding: .75rem 1rem;
}

.table td {
    padding: .75rem 1rem;
    vertical-align: middle;
    border-bottom: 1px solid var(--border);
}

/* Alerts */
.alert {
    border: none;
    border-radius: var(--radius-sm);
    font-weight: 500;
}

.alert-success {
    background: linear-gradient(135deg, #ECFDF5, #D1FAE5);
    color: #065F46;
}

.alert-danger {
    background: linear-gradient(135deg, #FEF2F2, #FEE2E2);
    color: #991B1B;
}

.alert-warning {
    background: linear-gradient(135deg, #FFFBEB, #FEF3C7);
    color: #92400E;
}

/* Content area */
.container-fluid {
    padding-left: 2rem;
    padding-right: 2rem;
}

/* Welcome card */
.welcome-card {
    background: linear-gradient(135deg, var(--surface) 0%, var(--surface-alt) 100%);
    border: 1px solid var(--border);
}

.welcome-card h5 {
    font-weight: 700;
    color: var(--text-primary);
}

.text-purple { color: #8B5CF6 !important; }

/* Auth pages */
.login-page {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    background: url('/img/batimetre_font.png') center/cover fixed;
}

.login-wrapper {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
}

.login-card {
    background: var(--surface);
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0,0,0,.3);
    padding: 2.5rem;
    width: 420px;
    max-width: 100%;
}

.login-header {
    text-align: center;
    margin-bottom: 2rem;
}

.login-logo {
    height: 192px;
    margin-bottom: .5rem;
}

.login-header h2 {
    font-weight: 800;
    font-size: 1.5rem;
    color: var(--text-primary);
    margin-bottom: .25rem;
}

.login-header p {
    font-size: .875rem;
}

.login-form .form-group {
    margin-bottom: 1.25rem;
}

.login-form .btn-block {
    width: 100%;
    padding: .75rem;
    font-size: 1rem;
}

.login-footer {
    text-align: center;
    margin-top: 1.5rem;
    padding-top: 1.25rem;
    border-top: 1px solid var(--border);
    font-size: .875rem;
    color: var(--text-secondary);
}

.login-footer a {
    color: var(--primary-light);
    font-weight: 600;
    text-decoration: none;
}

.login-footer a:hover {
    text-decoration: underline;
}

.login-header-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
}

.login-header-logo {
    height: 48px;
}

.login-header-bar .language-selector .dropdown-toggle {
    background: rgba(255,255,255,.15);
    color: rgba(255,255,255,.9);
    border-color: rgba(255,255,255,.2);
    padding: .375rem .875rem;
    font-size: .85rem;
    font-weight: 500;
}

.login-header-bar .language-selector .dropdown-toggle:hover,
.login-header-bar .language-selector .dropdown-toggle:focus {
    background: rgba(255,255,255,.25);
    color: #fff;
    border-color: rgba(255,255,255,.35);
}

.login-bottom {
    text-align: center;
    padding: .75rem 2rem;
    background: rgba(255,255,255,.15);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-top: 1px solid rgba(255,255,255,.1);
}

.login-copyright {
    color: var(--text-secondary);
    font-size: .8rem;
}

.flag-icon {
    width: 20px;
    height: 15px;
    margin-right: 6px;
    vertical-align: middle;
    border-radius: 2px;
}

.language-selector .dropdown-toggle {
    color: rgba(0,0,0,.6);
    border-color: rgba(0,0,0,.15);
    background: rgba(255,255,255,.7);
}

.language-selector .dropdown-toggle:hover,
.language-selector .dropdown-toggle:focus {
    color: rgba(0,0,0,.8);
    border-color: rgba(0,0,0,.25);
    background: rgba(255,255,255,.9);
}