/* =========================================================
   FoodSave — Pure CSS (no framework)
   ========================================================= */

:root {
    --primary-color: #28a745;
    --primary-dark: #1e7e34;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #17a2b8;
    --secondary-color: #6c757d;
    --dark-color: #212529;
    --light-color: #f8f9fa;
    --border-color: #dee2e6;
    --radius: 10px;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--light-color);
    color: #212529;
    line-height: 1.5;
}

a {
    color: var(--primary-color);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    margin-top: 0;
}

hr {
    border: none;
    border-top: 1px solid var(--border-color);
    margin: 1.25rem 0;
}

/* ---------------------------------------------------------
   Layout: container / grid
   --------------------------------------------------------- */

.container {
    width: 100%;
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 15px;
}

.row {
    display: flex;
    flex-wrap: wrap;
    margin: 0 -10px;
}

.row.g-3 {
    margin: -8px -8px 0;
}
.row.g-3 > [class*="col"] {
    padding: 8px;
}

.row > [class*="col"] {
    padding: 0 10px;
    width: 100%;
    margin-bottom: 20px;
}

.col-6      { width: 50%; }
.col-12     { width: 100%; }

@media (min-width: 768px) {
    .col-md-3  { width: 25%; }
    .col-md-4  { width: 33.3333%; }
    .col-md-6  { width: 50%; }
    .col-md-8  { width: 66.6666%; }
    .col-md-12 { width: 100%; }
}

@media (min-width: 992px) {
    .col-lg-4 { width: 33.3333%; }
}

.justify-content-center { justify-content: center; }
.justify-content-between { justify-content: space-between; }
.align-items-center { align-items: center; }
.align-items-start { align-items: flex-start; }
.d-flex { display: flex; flex-wrap: wrap; gap: 10px; }

/* ---------------------------------------------------------
   Spacing / text utilities
   --------------------------------------------------------- */

.mt-3 { margin-top: 1rem; }
.mt-4 { margin-top: 1.5rem; }
.mt-5 { margin-top: 3rem; }
.mb-0 { margin-bottom: 0; }
.mb-3 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 1.5rem; }
.mb-5 { margin-bottom: 3rem; }
.me-1 { margin-right: .25rem; }
.me-2 { margin-right: .5rem; }
.me-3 { margin-right: 1rem; }
.ms-2 { margin-left: .5rem; }
.py-4 { padding-top: 1.5rem; padding-bottom: 1.5rem; }
.py-5 { padding-top: 3rem; padding-bottom: 3rem; }
.p-3 { padding: 1rem; }
.p-4 { padding: 1.5rem; }
.w-25 { width: 25%; }
.w-50 { width: 50%; }
.w-100 { width: 100%; }

.text-center { text-align: center; }
.text-white { color: #fff; }
.text-dark { color: var(--dark-color); }
.text-muted { color: var(--secondary-color); }
.fw-bold { font-weight: 700; }
.display-4 { font-size: 2.5rem; line-height: 1.2; }
.lead { font-size: 1.2rem; font-weight: 300; }
.small { font-size: .85rem; }

.bg-success { background-color: var(--primary-color) !important; }
.bg-dark { background-color: var(--dark-color) !important; }
.bg-white { background-color: #fff !important; }
.bg-light { background-color: var(--light-color) !important; }

.shadow { box-shadow: 0 2px 10px rgba(0,0,0,0.1); }
.rounded { border-radius: var(--radius); }

/* ---------------------------------------------------------
   Navbar
   --------------------------------------------------------- */

.navbar {
    padding: 0.75rem 0;
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
}

.navbar-brand {
    font-size: 1.4rem;
    font-weight: 700;
    color: #fff !important;
    text-decoration: none;
}

.navbar-toggler {
    display: none;
    background: transparent;
    border: 1px solid rgba(255,255,255,0.5);
    border-radius: 5px;
    padding: 6px 10px;
    cursor: pointer;
}

.navbar-toggler-icon {
    display: block;
    width: 22px;
    height: 2px;
    background: #fff;
    position: relative;
}
.navbar-toggler-icon::before,
.navbar-toggler-icon::after {
    content: "";
    position: absolute;
    left: 0;
    width: 22px;
    height: 2px;
    background: #fff;
}
.navbar-toggler-icon::before { top: -6px; }
.navbar-toggler-icon::after  { top: 6px; }

.navbar-collapse {
    display: flex;
}

.navbar-nav {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 4px;
}

.nav-link {
    color: rgba(255,255,255,0.9) !important;
    padding: 0.5rem 0.9rem;
    display: block;
    border-radius: 5px;
}

.nav-link:hover {
    color: #fff !important;
    background: rgba(255,255,255,0.15);
    text-decoration: none;
}

@media (max-width: 767px) {
    .navbar-toggler { display: inline-block; }
    .navbar-collapse {
        display: none;
        width: 100%;
        order: 3;
        margin-top: 10px;
    }
    .navbar-collapse.open { display: block; }
    .navbar-nav {
        flex-direction: column;
    }
}

/* ---------------------------------------------------------
   Buttons
   --------------------------------------------------------- */

.btn {
    display: inline-block;
    font-weight: 500;
    text-align: center;
    vertical-align: middle;
    cursor: pointer;
    border: 1px solid transparent;
    padding: 0.5rem 1rem;
    font-size: 1rem;
    border-radius: 6px;
    transition: background-color .15s ease, color .15s ease, opacity .15s ease;
    text-decoration: none;
}
.btn:hover { text-decoration: none; }
.btn:disabled { opacity: .65; cursor: not-allowed; }

.btn-lg { padding: 0.75rem 1.5rem; font-size: 1.15rem; border-radius: 8px; }
.btn-sm { padding: 0.3rem 0.7rem; font-size: 0.85rem; border-radius: 5px; }

.btn-success { background-color: var(--primary-color); border-color: var(--primary-color); color: #fff; }
.btn-success:hover { background-color: var(--primary-dark); color: #fff; }

.btn-primary { background-color: #0d6efd; border-color: #0d6efd; color: #fff; }
.btn-primary:hover { background-color: #0b5ed7; color: #fff; }

.btn-secondary { background-color: var(--secondary-color); border-color: var(--secondary-color); color: #fff; }
.btn-secondary:hover { background-color: #5c636a; color: #fff; }

.btn-danger { background-color: var(--danger-color); border-color: var(--danger-color); color: #fff; }
.btn-danger:hover { background-color: #bb2d3b; color: #fff; }

.btn-light { background-color: #fff; border-color: #fff; color: var(--dark-color); }
.btn-light:hover { background-color: #e2e6ea; }

.btn-outline-light { background-color: transparent; border-color: #fff; color: #fff; }
.btn-outline-light:hover { background-color: #fff; color: var(--dark-color); }

.btn-group {
    display: inline-flex;
    gap: 6px;
}

/* ---------------------------------------------------------
   Cards
   --------------------------------------------------------- */

.card {
    background: #fff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
    margin-bottom: 20px;
}

.card:hover {
    transform: translateY(-5px);
}

.card.h-100 { height: calc(100% - 20px); }

.card-header {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border-color);
    border-radius: var(--radius) var(--radius) 0 0;
}

.card-body {
    padding: 1.25rem;
}

.card-title {
    margin-bottom: 0.5rem;
}

.card-text {
    margin-bottom: 0.75rem;
}

/* ---------------------------------------------------------
   Forms
   --------------------------------------------------------- */

.form-label,
label {
    display: block;
    margin-bottom: 0.4rem;
    font-weight: 500;
}

.form-control {
    display: block;
    width: 100%;
    padding: 0.55rem 0.75rem;
    font-size: 1rem;
    border: 1px solid #ced4da;
    border-radius: 6px;
    background: #fff;
    font-family: inherit;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(40,167,69,0.15);
}

select.form-control {
    cursor: pointer;
}

/* ---------------------------------------------------------
   Alerts
   --------------------------------------------------------- */

.alert {
    padding: 0.9rem 1.1rem;
    border: 1px solid transparent;
    border-radius: 8px;
    margin-bottom: 1rem;
}

.alert-danger  { background-color: #f8d7da; border-color: #f5c2c7; color: #842029; }
.alert-success { background-color: #d1e7dd; border-color: #badbcc; color: #0f5132; }
.alert-info    { background-color: #cff4fc; border-color: #b6effb; color: #055160; }
.alert-warning { background-color: #fff3cd; border-color: #ffecb5; color: #664d03; }

/* ---------------------------------------------------------
   App-specific components (unchanged from original)
   --------------------------------------------------------- */

.hero-section {
    border-radius: 0;
}

.countdown-timer {
    font-size: 1.2rem;
    font-weight: bold;
    padding: 5px 10px;
    border-radius: 5px;
    display: inline-block;
}

.timer-expired {
    background-color: var(--danger-color);
    color: white;
}

.timer-warning {
    background-color: var(--warning-color);
    color: #856404;
}

.timer-safe {
    background-color: var(--primary-color);
    color: white;
}

.food-card {
    margin-bottom: 20px;
}

.location-badge {
    background-color: var(--info-color);
    color: white;
    padding: 3px 8px;
    border-radius: 15px;
    font-size: 0.85rem;
    display: inline-block;
}

.status-badge {
    padding: 3px 10px;
    border-radius: 15px;
    font-size: 0.8rem;
    display: inline-block;
}

.status-pending {
    background-color: var(--warning-color);
    color: #856404;
}

.status-approved {
    background-color: var(--primary-color);
    color: white;
}

.status-rejected {
    background-color: var(--danger-color);
    color: white;
}

.status-expired {
    background-color: #6c757d;
    color: white;
}

.dashboard-stats {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 20px;
}

.dashboard-stats h3 {
    margin-bottom: 0.2rem;
}

.dashboard-stats p {
    margin: 0;
    opacity: 0.9;
}

.stats-card {
    text-align: center;
}

.map-link {
    text-decoration: none;
    color: var(--info-color);
}

.map-link:hover {
    text-decoration: underline;
}

/* ---------------------------------------------------------
   Footer
   --------------------------------------------------------- */

footer p {
    margin: 0 0 0.25rem;
}