/**
 * Salmy Delivery Platform
 * Developed by Maged Fayez - 2026
 * 
 * التصميم العام - Mobile First
 */

/* =====================================================
   Variables & Reset
   ===================================================== */
:root {
    --primary-color: #00ACC1;
    --secondary-color: #2C3E50;
    --success-color: #27AE60;
    --danger-color: #E74C3C;
    --warning-color: #F39C12;
    --light-bg: #F8F9FA;
    --dark-text: #2C3E50;
    --light-text: #7F8C8D;
    --border-color: #E0E0E0;
    --shadow: 0 2px 8px rgba(0,0,0,0.1);
    --radius: 8px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--dark-text);
    background: var(--light-bg);
    position: relative;
    min-height: 100vh;
}

/* =====================================================
   خلفية اللوجو الشفافة
   ===================================================== */
body::before {
    content: '';
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80%;
    max-width: 600px;
    height: 80vh;
    background-image: url('../images/logo.jpg');
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    opacity: 0.03;
    z-index: 0;
    pointer-events: none;
}

/* المحتوى فوق الخلفية */
.container,
.wrapper,
main,
section {
    position: relative;
    z-index: 1;
}

/* =====================================================
   Typography
   ===================================================== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--dark-text);
}

h1 { font-size: 2rem; }
h2 { font-size: 1.75rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.1rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: 1rem;
}

/* =====================================================
   Layout - Mobile First
   ===================================================== */
.container {
    width: 100%;
    padding: 0 15px;
    margin: 0 auto;
}

/* Tablet */
@media (min-width: 768px) {
    .container {
        max-width: 720px;
    }
}

/* Desktop */
@media (min-width: 1024px) {
    .container {
        max-width: 960px;
    }
}

/* Large Desktop */
@media (min-width: 1200px) {
    .container {
        max-width: 1140px;
    }
}

/* =====================================================
   Buttons
   ===================================================== */
.btn {
    display: inline-block;
    padding: 12px 24px;
    font-size: 1rem;
    font-weight: 500;
    text-align: center;
    text-decoration: none;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    transition: all 0.3s ease;
    min-height: 48px;
}

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

.btn-primary:hover {
    background: #0097A7;
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.btn-secondary {
    background: var(--secondary-color);
    color: white;
}

.btn-success {
    background: var(--success-color);
    color: white;
}

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

.btn-block {
    display: block;
    width: 100%;
}

/* =====================================================
   Forms - Mobile Optimized
   ===================================================== */
.form-group {
    margin-bottom: 1.25rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--dark-text);
}

.form-control {
    width: 100%;
    padding: 14px;
    font-size: 16px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius);
    transition: border-color 0.3s;
    min-height: 48px;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 172, 193, 0.1);
}

textarea.form-control {
    min-height: 120px;
    resize: vertical;
}

.form-error {
    color: var(--danger-color);
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

/* =====================================================
   Cards
   ===================================================== */
.card {
    background: white;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

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

.card-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin: 0;
}

.card-body {
    padding: 1rem 0;
}

/* =====================================================
   Utilities
   ===================================================== */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-left { text-align: left; }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.p-1 { padding: 0.5rem; }
.p-2 { padding: 1rem; }
.p-3 { padding: 1.5rem; }
.p-4 { padding: 2rem; }

.text-primary { color: var(--primary-color); }
.text-success { color: var(--success-color); }
.text-danger { color: var(--danger-color); }
.text-warning { color: var(--warning-color); }
.text-muted { color: var(--light-text); }

.d-none { display: none; }
.d-block { display: block; }
.d-flex { display: flex; }
.justify-center { justify-content: center; }
.align-center { align-items: center; }
.space-between { justify-content: space-between; }

/* =====================================================
   Loading Spinner
   ===================================================== */
.spinner {
    border: 3px solid var(--border-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 20px auto;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* =====================================================
   Responsive Tweaks
   ===================================================== */
@media (max-width: 767px) {
    h1 { font-size: 1.75rem; }
    h2 { font-size: 1.5rem; }
    
    .card {
        padding: 1rem;
    }
    
    .btn {
        padding: 14px 20px;
    }
}

/**
 * Developed by Maged Fayez - 2026
 */