/* style.css - 2026 Core Component System */

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-arabic);
  background-color: var(--background-color);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Core Typography */
h1, h2, h3, h4, h5, h6 {
  line-height: 1.25;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
}

a {
  color: var(--accent-color);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Premium Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  padding: 0.75rem 1.5rem;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--border-radius-full);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-normal);
  text-decoration: none;
  outline: none;
  white-space: nowrap;
}

.btn:focus-visible {
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.btn-primary {
  background-color: var(--primary-color);
  color: var(--surface-color);
  border-color: var(--primary-color);
  box-shadow: var(--box-shadow-sm);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--box-shadow-hover);
  background-color: var(--primary-hover);
  border-color: var(--primary-hover);
  color: var(--surface-color);
}

.btn-outline {
  background-color: transparent;
  color: var(--primary-color);
  border-color: var(--border-color);
}

.btn-outline:hover {
  border-color: var(--primary-color);
  background-color: var(--surface-color);
  transform: translateY(-2px);
  color: var(--primary-color);
}

.btn-accent {
  background-color: var(--accent-color);
  color: #ffffff;
  border-color: var(--accent-color);
  box-shadow: var(--box-shadow-glow);
}

.btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 30px var(--accent-glow);
  color: #ffffff;
}

/* Cards System */
.card {
  background: var(--surface-color);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--box-shadow-sm);
  padding: var(--spacing-lg);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--box-shadow-hover);
  border-color: var(--border-color);
}

/* Form Controls */
.form-group {
  margin-bottom: var(--spacing-md);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-label {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
}

.form-control,
input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="url"],
select,
textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--text-primary);
  background-color: var(--surface-color);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus,
input:focus,
select:focus,
textarea:focus {
  border-color: var(--accent-color);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-control::placeholder,
input::placeholder {
  color: var(--text-tertiary);
}

/* Badges */
.badge {
  display: inline-block;
  padding: 0.25em 0.65em;
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: var(--border-radius-full);
}

.badge-success { background-color: rgba(16, 185, 129, 0.15); color: var(--success-color); }
.badge-warning { background-color: rgba(245, 166, 35, 0.15); color: var(--warning-color); }
.badge-danger  { background-color: rgba(229, 62, 62, 0.15);  color: var(--danger-color); }

/* Global Utilities */
.text-center { text-align: center; }
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }

/* Scrollbar Customization */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: var(--background-color);
}
::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: var(--border-radius-full);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--text-tertiary);
}

@media (max-width: 576px) {
  .btn { width: 100%; justify-content: center; }
}

/* Production Hardening & UI States (Skeletons, Empty & Error States, Toasts) */
@keyframes toastIn {
    from { opacity: 0; transform: translateY(20px) scale(0.95); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

.skeleton {
    background: linear-gradient(90deg, var(--bg-secondary, #f1f5f9) 25%, var(--border-color, #e2e8f0) 37%, var(--bg-secondary, #f1f5f9) 63%);
    background-size: 400% 100%;
    animation: shimmer 1.4s ease infinite;
    border-radius: 8px;
    display: inline-block;
}

.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3rem 1.5rem;
    text-align: center;
    color: var(--text-secondary);
}
.empty-state-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.8;
}
.empty-state-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}
.empty-state-desc {
    font-size: 0.9rem;
    max-width: 400px;
    margin-bottom: 1.25rem;
}

.error-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 2.5rem 1.5rem;
    text-align: center;
    background: rgba(239, 68, 68, 0.05);
    border: 1px dashed #ef4444;
    border-radius: 12px;
    color: #ef4444;
}

:focus-visible {
    outline: 2px solid var(--brand-accent, #3b82f6);
    outline-offset: 2px;
}