/* Responsive Hospital Management System CSS */
:root {
    --primary-color: #2E86AB;
    --secondary-color: #A23B72;
    --accent-color: #F18F01;
    --success-color: #C73E1D;
    --light-bg: #f8f9fa;
    --dark-bg: #343a40;

    /* Responsive sizing variables */
    --base-font-size: clamp(14px, 1vw, 16px);
    --heading-font-size: clamp(18px, 1.5vw, 24px);
    --card-padding: clamp(1rem, 2vw, 1.5rem);
    --container-max-width: min(95vw, 1400px);
}

/* Base responsive typography */
html {
    font-size: var(--base-font-size);
    line-height: 1.6;
}

body {
    background-color: var(--light-bg);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    font-size: var(--base-font-size);
    line-height: 1.6;
    margin: 0;
    padding: 0;
    overflow-x: hidden;
}

/* Responsive headings */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-size: var(--heading-font-size);
    line-height: 1.3;
    margin-bottom: 0.5rem;
}

/* Responsive container */
.container-fluid {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--card-padding);
}

/* Ensure proper Bootstrap grid behavior */
.row {
    margin: 0;
}

.col-md-3,
.col-lg-2,
.col-md-9,
.col-lg-10 {
    padding: 0;
}

/* Fix sidebar and main content layout */
@media (min-width: 768px) {
    .sidebar {
        position: fixed;
        top: 56px;
        left: 0;
        z-index: 100;
        height: calc(100vh - 56px);
        overflow-y: auto;
    }

    main {
        margin-left: 16.666667%;
        /* col-md-2 = 16.666667% */
    }
}

@media (min-width: 992px) {
    main {
        margin-left: 16.666667%;
        /* col-lg-2 = 16.666667% */
    }
}

/* Responsive cards */
.card {
    margin-bottom: 1rem;
    border-radius: 0.5rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.card-header {
    padding: var(--card-padding);
    background: white;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 0.5rem 0.5rem 0 0;
}

.card-body {
    padding: var(--card-padding);
}

.card-title {
    font-size: clamp(1.25rem, 2vw, 1.5rem);
    font-weight: 600;
    margin: 0;
}

/* Responsive navbar */
.navbar {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color)) !important;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    padding: 0.5rem 1rem;
}

.navbar-brand {
    font-weight: bold;
    color: white !important;
    font-size: clamp(1.1rem, 1.5vw, 1.25rem);
}

.nav-link {
    color: rgba(255, 255, 255, 0.9) !important;
    transition: color 0.3s ease;
    font-size: clamp(0.9rem, 1vw, 1rem);
    padding: 0.5rem 0.75rem;
}

.nav-link:hover {
    color: white !important;
}

/* Responsive sidebar */
.sidebar {
    background: white;
    box-shadow: 2px 0 5px rgba(0, 0, 0, 0.1);
    min-height: calc(100vh - 56px);
    overflow-y: auto;
    max-height: calc(100vh - 56px);
}

.sidebar .nav-link {
    color: var(--dark-bg) !important;
    padding: clamp(0.5rem, 1vw, 0.75rem) clamp(0.75rem, 1.5vw, 1rem);
    border-radius: 0.25rem;
    margin: 0.25rem 0;
    transition: all 0.3s ease;
    font-size: clamp(0.85rem, 1vw, 0.9rem);
}

.sidebar .nav-link:hover {
    background-color: var(--primary-color);
    color: white !important;
}

.sidebar .nav-link.active {
    background-color: var(--primary-color);
    color: white !important;
}

.sidebar .dropdown-menu {
    background: white;
    border: 1px solid rgba(0, 0, 0, 0.1);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    border-radius: 0.25rem;
    margin-top: 0.25rem;
}

.sidebar .dropdown-item {
    color: var(--dark-bg);
    padding: 0.5rem 1rem;
    transition: all 0.3s ease;
}

.sidebar .dropdown-item:hover {
    background-color: var(--primary-color);
    color: white;
}

.sidebar .dropdown-item.active {
    background-color: var(--primary-color);
    color: white;
}

/* Responsive tables */
.table {
    font-size: clamp(0.8rem, 1vw, 0.9rem);
}

.table th,
.table td {
    padding: clamp(0.5rem, 1vw, 0.75rem);
    vertical-align: middle;
}

/* Responsive buttons */
.btn {
    font-size: clamp(0.8rem, 1vw, 0.9rem);
    padding: clamp(0.375rem, 1vw, 0.5rem) clamp(0.75rem, 1.5vw, 1rem);
    border-radius: 0.375rem;
}

.btn-sm {
    font-size: clamp(0.75rem, 0.9vw, 0.8rem);
    padding: clamp(0.25rem, 0.8vw, 0.375rem) clamp(0.5rem, 1.2vw, 0.75rem);
}

.btn-lg {
    font-size: clamp(1rem, 1.2vw, 1.1rem);
    padding: clamp(0.5rem, 1.2vw, 0.75rem) clamp(1rem, 2vw, 1.5rem);
}

/* Responsive forms */
.form-control,
.form-select {
    font-size: clamp(0.85rem, 1vw, 0.9rem);
    padding: clamp(0.375rem, 1vw, 0.5rem) clamp(0.75rem, 1vw, 0.875rem);
    border-radius: 0.375rem;
}

.form-label {
    font-size: clamp(0.85rem, 1vw, 0.9rem);
    font-weight: 500;
    margin-bottom: 0.5rem;
}

/* Responsive badges */
.badge {
    font-size: clamp(0.7rem, 0.9vw, 0.8rem);
    padding: clamp(0.25rem, 0.6vw, 0.35rem) clamp(0.5rem, 0.8vw, 0.65rem);
}

/* Responsive pagination */
.pagination {
    font-size: clamp(0.8rem, 1vw, 0.9rem);
}

.page-link {
    padding: clamp(0.375rem, 1vw, 0.5rem) clamp(0.75rem, 1vw, 0.875rem);
}

/* Responsive alerts */
.alert {
    padding: clamp(0.75rem, 1.5vw, 1rem);
    font-size: clamp(0.85rem, 1vw, 0.9rem);
    border-radius: 0.5rem;
}

/* Responsive modals */
.modal-header {
    padding: clamp(1rem, 2vw, 1.5rem);
}

.modal-body {
    padding: clamp(1rem, 2vw, 1.5rem);
}

.modal-footer {
    padding: clamp(1rem, 2vw, 1.5rem);
}

/* Responsive dropdowns */
.dropdown-menu {
    font-size: clamp(0.8rem, 1vw, 0.9rem);
    padding: clamp(0.25rem, 0.5vw, 0.5rem) 0;
    border-radius: 0.375rem;
}

.dropdown-item {
    padding: clamp(0.25rem, 0.8vw, 0.5rem) clamp(0.75rem, 1.5vw, 1rem);
}

/* Responsive grid adjustments */
@media (max-width: 768px) {
    .container-fluid {
        padding: 0 0.75rem;
    }

    .card-header,
    .card-body {
        padding: 1rem;
    }

    .sidebar {
        width: 100%;
        position: static;
    }

    .table-responsive {
        font-size: 0.8rem;
    }
}

@media (max-width: 576px) {
    .container-fluid {
        padding: 0 0.5rem;
    }

    .card-header,
    .card-body {
        padding: 0.75rem;
    }

    .btn {
        font-size: 0.8rem;
        padding: 0.375rem 0.75rem;
    }

    .table th,
    .table td {
        padding: 0.5rem 0.25rem;
        font-size: 0.75rem;
    }
}

/* High DPI displays */
@media (-webkit-min-device-pixel-ratio: 2),
(min-resolution: 192dpi) {
    :root {
        --base-font-size: clamp(12px, 0.9vw, 14px);
        --heading-font-size: clamp(16px, 1.3vw, 20px);
    }
}

/* Large screens optimization */
@media (min-width: 1400px) {
    :root {
        --container-max-width: 1400px;
        --base-font-size: 16px;
        --heading-font-size: 24px;
    }
}

/* Print styles */
@media print {

    .sidebar,
    .navbar,
    .btn {
        display: none !important;
    }

    .container-fluid {
        max-width: 100%;
        padding: 0;
    }

    .card {
        box-shadow: none;
        border: 1px solid #ddd;
    }
}