/* KHMS - Kakamas Hydro Power Services
   Blue/Teal water theme */

:root {
    --khms-navy: #1b2a4a;
    --khms-blue: #1a5276;
    --khms-teal: #0dcaf0;
    --khms-light-blue: #d4e6f1;
    --khms-bg: #f0f4f8;
    --khms-card-shadow: 0 0.125rem 0.5rem rgba(27, 42, 74, 0.08);
}

html {
    font-size: 14px;
    position: relative;
    min-height: 100%;
}

@media (min-width: 768px) {
    html {
        font-size: 16px;
    }
}

body {
    background-color: var(--khms-bg);
    margin-bottom: 60px;
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    color: #2c3e50;
}

/* Navbar */
.bg-navbar {
    background: linear-gradient(135deg, var(--khms-navy) 0%, var(--khms-blue) 100%);
}

.navbar-brand {
    letter-spacing: 0.5px;
}

.navbar-dark .navbar-nav .nav-link {
    color: rgba(255, 255, 255, 0.85);
    transition: color 0.2s ease;
}

.navbar-dark .navbar-nav .nav-link:hover,
.navbar-dark .navbar-nav .nav-link:focus {
    color: var(--khms-teal);
}

/* Content area below fixed navbar */
.content-wrapper {
    padding-top: 72px;
    min-height: calc(100vh - 60px);
}

/* Cards */
.card {
    border-radius: 0.5rem;
    box-shadow: var(--khms-card-shadow);
}

.card-header {
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

/* Metric cards on dashboard */
.metric-card {
    border-left: 4px solid var(--khms-teal);
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.metric-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 0.25rem 1rem rgba(27, 42, 74, 0.12);
}

.metric-card .metric-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--khms-navy);
}

.metric-card .metric-label {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: #6c757d;
}

.metric-card .metric-icon {
    font-size: 2rem;
    color: var(--khms-teal);
    opacity: 0.7;
}

/* Buttons */
.btn-primary {
    background: linear-gradient(135deg, var(--khms-blue) 0%, var(--khms-navy) 100%);
    border: none;
    transition: opacity 0.2s ease, box-shadow 0.2s ease;
}

.btn-primary:hover {
    opacity: 0.9;
    box-shadow: 0 0.25rem 0.75rem rgba(26, 82, 118, 0.35);
}

.btn-primary:focus {
    box-shadow: 0 0 0 0.25rem rgba(26, 82, 118, 0.35);
}

/* Form controls */
.form-control:focus,
.form-check-input:focus {
    border-color: var(--khms-teal);
    box-shadow: 0 0 0 0.2rem rgba(13, 202, 240, 0.25);
}

.form-floating > .form-control:focus ~ label,
.form-floating > .form-control:not(:placeholder-shown) ~ label {
    color: var(--khms-blue);
}

/* Footer */
.footer {
    position: absolute;
    bottom: 0;
    width: 100%;
    height: 48px;
    line-height: 48px;
    background-color: #fff;
    font-size: 0.85rem;
}

/* Status indicators */
.status-operational {
    color: #198754;
}

.status-warning {
    color: #ffc107;
}

.status-offline {
    color: #dc3545;
}

/* Welcome hero section */
.hero-section {
    background: linear-gradient(135deg, var(--khms-navy) 0%, var(--khms-blue) 60%, #1a8a8a 100%);
    border-radius: 0.75rem;
    color: #fff;
}

.hero-section .lead {
    color: rgba(255, 255, 255, 0.85);
}