/* ========================================
   Enhanced Forms & Inputs Styling
   تحسين شامل للنماذج والإدخالات
   ======================================== */

:root {
    --primary-color: #0066cc;
    --primary-light: #4d94ff;
    --primary-dark: #0052a3;
    --text-dark: #1a1a1a;
    --text-light: #666;
    --text-lighter: #999;
    --border-color: #ddd;
    --border-light: #e8e8e8;
    --background: #f8f9fa;
    --background-light: #ffffff;
    --success: #28a745;
    --danger: #dc3545;
    --warning: #ffc107;
    --info: #17a2b8;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.15);
    --transition: all 0.3s ease;
}

/* ========================================
   Base Form Elements
   ======================================== */

/* Labels */
.form-group label,
.form-label {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.75rem;
    display: block;
    letter-spacing: 0.3px;
}

.form-group label span.required,
.form-label span.required {
    color: var(--danger);
    margin-left: 0.25rem;
}

/* Input Fields */
.form-control,
.form-input,
input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="phone"],
input[type="tel"],
input[type="date"],
input[type="time"],
input[type="search"],
textarea,
select {
    font-size: 1rem;
    padding: 0.85rem 1.2rem;
    border: 1.5px solid var(--border-light);
    border-radius: 8px;
    background-color: var(--background-light);
    color: var(--text-dark);
    transition: var(--transition);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.5;
    box-shadow: none;
}

/* Focus State */
.form-control:focus,
.form-input:focus,
input[type="text"]:focus,
input[type="email"]:focus,
input[type="password"]:focus,
input[type="number"]:focus,
input[type="phone"]:focus,
input[type="tel"]:focus,
input[type="date"]:focus,
input[type="time"]:focus,
input[type="search"]:focus,
textarea:focus,
select:focus {
    border-color: var(--primary-color);
    background-color: var(--background-light);
    color: var(--text-dark);
    outline: none;
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

/* Hover State */
.form-control:hover:not(:focus),
.form-input:hover:not(:focus),
input[type="text"]:hover:not(:focus),
input[type="email"]:hover:not(:focus),
input[type="password"]:hover:not(:focus),
input[type="number"]:hover:not(:focus),
input[type="phone"]:hover:not(:focus),
input[type="tel"]:hover:not(:focus),
input[type="date"]:hover:not(:focus),
input[type="time"]:hover:not(:focus),
input[type="search"]:hover:not(:focus),
textarea:hover:not(:focus),
select:hover:not(:focus) {
    border-color: var(--primary-light);
    box-shadow: 0 0 0 2px rgba(0, 102, 204, 0.05);
}

/* Disabled State */
.form-control:disabled,
.form-input:disabled,
input[type="text"]:disabled,
input[type="email"]:disabled,
input[type="password"]:disabled,
input[type="number"]:disabled,
input[type="phone"]:disabled,
input[type="tel"]:disabled,
input[type="date"]:disabled,
input[type="time"]:disabled,
input[type="search"]:disabled,
textarea:disabled,
select:disabled {
    background-color: #f5f5f5;
    color: var(--text-lighter);
    cursor: not-allowed;
    border-color: var(--border-light);
}

/* ========================================
   Form Groups
   ======================================== */

.form-group {
    margin-bottom: 1.8rem;
}

.form-group:last-child {
    margin-bottom: 1.2rem;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-bottom: 2rem;
}

.form-row .form-group {
    margin-bottom: 0;
}

@media (max-width: 576px) {
    .form-row {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
}

/* ========================================
   Textarea
   ======================================== */

textarea,
.form-textarea {
    resize: vertical;
    min-height: 140px;
    line-height: 1.8;
}

textarea:focus,
.form-textarea:focus {
    min-height: 140px;
}

/* ========================================
   Select Dropdown
   ======================================== */

select,
.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%230066cc' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M2 5l6 6 6-6'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 16px 12px;
    padding-right: 2.5rem;
}

select::-ms-expand {
    display: none;
}

/* ========================================
   Form Validation States
   ======================================== */

/* Valid State */
.form-control.is-valid,
.form-input.is-valid,
input.is-valid[type="text"],
input.is-valid[type="email"],
input.is-valid[type="password"],
input.is-valid[type="number"],
input.is-valid[type="phone"],
textarea.is-valid,
select.is-valid {
    border-color: var(--success);
}

.form-control.is-valid:focus,
.form-input.is-valid:focus,
input.is-valid[type="text"]:focus,
input.is-valid[type="email"]:focus,
input.is-valid[type="password"]:focus,
input.is-valid[type="number"]:focus,
input.is-valid[type="phone"]:focus,
textarea.is-valid:focus,
select.is-valid:focus {
    border-color: var(--success);
    box-shadow: 0 0 0 3px rgba(40, 167, 69, 0.1);
}

.valid-feedback {
    display: block;
    color: var(--success);
    font-size: 0.85rem;
    margin-top: 0.35rem;
    font-weight: 500;
}

/* Invalid State */
.form-control.is-invalid,
.form-input.is-invalid,
input.is-invalid[type="text"],
input.is-invalid[type="email"],
input.is-invalid[type="password"],
input.is-invalid[type="number"],
input.is-invalid[type="phone"],
textarea.is-invalid,
select.is-invalid {
    border-color: var(--danger);
}

.form-control.is-invalid:focus,
.form-input.is-invalid:focus,
input.is-invalid[type="text"]:focus,
input.is-invalid[type="email"]:focus,
input.is-invalid[type="password"]:focus,
input.is-invalid[type="number"]:focus,
input.is-invalid[type="phone"]:focus,
textarea.is-invalid:focus,
select.is-invalid:focus {
    border-color: var(--danger);
    box-shadow: 0 0 0 3px rgba(220, 53, 69, 0.1);
}

.invalid-feedback,
.form-text.text-danger {
    display: block;
    color: var(--danger);
    font-size: 0.85rem;
    margin-top: 0.35rem;
    font-weight: 500;
}

/* ========================================
   Checkboxes & Radio Buttons
   ======================================== */

.form-check {
    padding-left: 0;
    margin-bottom: 0.75rem;
}

.form-check-input {
    width: 1.25rem;
    height: 1.25rem;
    margin-top: 0.25rem;
    margin-right: 0.75rem;
    cursor: pointer;
    border: 1.5px solid var(--border-color);
    border-radius: 4px;
    background-color: var(--background-light);
    transition: var(--transition);
    appearance: none;
    flex-shrink: 0;
}

.form-check-input:hover {
    border-color: var(--primary-light);
}

.form-check-input:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

.form-check-input:checked {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' width='8' height='8' viewBox='0 0 8 8'%3e%3cpath fill='%23fff' d='M6.564.75l-3.59 3.612-1.538-1.55L0 4.26l2.974 2.99L8 2.193z'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: center;
    background-size: 100% 100%;
}

.form-check-label {
    margin-bottom: 0;
    font-size: 0.95rem;
    color: var(--text-dark);
    cursor: pointer;
    user-select: none;
    display: inline-block;
}

/* Radio Buttons */
.form-check-input[type="radio"] {
    border-radius: 50%;
}

.form-check-input[type="radio"]:checked {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='-4 -4 8 8'%3e%3ccircle r='2' fill='%23fff'/%3e%3c/svg%3e");
}

/* ========================================
   Help Text
   ======================================== */

.form-text,
.form-hint {
    display: block;
    margin-top: 0.35rem;
    font-size: 0.85rem;
    color: var(--text-lighter);
}

/* ========================================
   Button Styles
   ======================================== */

.btn,
button,
input[type="submit"],
input[type="button"],
input[type="reset"] {
    font-size: 1rem;
    font-weight: 600;
    padding: 0.95rem 1.8rem;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    display: inline-block;
    text-align: center;
    line-height: 1.5;
    letter-spacing: 0.3px;
}

/* Primary Button */
.btn-primary,
button.btn-primary,
input[type="submit"].btn-primary {
    background-color: var(--primary-color);
    color: white;
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover,
button.btn-primary:hover,
input[type="submit"].btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.btn-primary:active,
button.btn-primary:active,
input[type="submit"].btn-primary:active {
    transform: translateY(0);
    box-shadow: var(--shadow-sm);
}

.btn-primary:focus,
button.btn-primary:focus,
input[type="submit"].btn-primary:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.3);
}

/* Secondary Button */
.btn-secondary {
    background-color: var(--background);
    color: var(--text-dark);
    border: 1.5px solid var(--border-color);
}

.btn-secondary:hover {
    background-color: var(--border-light);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

/* Block Button */
.btn-block,
.btn-lg {
    width: 100%;
    padding: 1.1rem 1.8rem;
    font-size: 1.05rem;
}

/* Link Button */
.btn-link {
    color: var(--primary-color);
    text-decoration: none;
    background: none;
    padding: 0;
    border: none;
    cursor: pointer;
}

.btn-link:hover {
    text-decoration: underline;
    color: var(--primary-dark);
}

/* ========================================
   Card Styling
   ======================================== */

.card,
.form-card {
    border: none;
    border-radius: 8px;
    background-color: var(--background-light);
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: var(--transition);
}

.card:hover,
.form-card:hover {
    box-shadow: var(--shadow-lg);
}

.card-body,
.form-card-body {
    padding: 2.5rem;
}

@media (max-width: 576px) {
    .card-body,
    .form-card-body {
        padding: 1.75rem;
    }
}

.card-title,
.form-card-title {
    font-size: 1.7rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 2rem;
    padding-bottom: 1.2rem;
    border-bottom: 2px solid var(--border-light);
}

/* ========================================
   Input Group
   ======================================== */

.input-group {
    display: flex;
    align-items: stretch;
    margin-bottom: 1.5rem;
}

.input-group-prepend,
.input-group-append {
    display: flex;
    align-items: center;
}

.input-group-text {
    background-color: var(--background);
    border: 1.5px solid var(--border-light);
    padding: 0.75rem 1rem;
    color: var(--text-light);
    font-size: 0.95rem;
}

.input-group > .form-control:focus {
    position: relative;
    z-index: 3;
}

/* ========================================
   Loading State
   ======================================== */

.form-control.is-loading,
.btn.is-loading {
    opacity: 0.7;
    pointer-events: none;
}

.btn.is-loading::after {
    content: '';
    display: inline-block;
    width: 1em;
    height: 1em;
    margin-left: 0.5em;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spinner 0.8s linear infinite;
}

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

/* ========================================
   Form Messages
   ======================================== */

.form-message,
.alert {
    padding: 1rem;
    margin-bottom: 1.5rem;
    border-radius: 6px;
    border: 1px solid;
    font-size: 0.95rem;
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.alert-success {
    background-color: #d4edda;
    border-color: #c3e6cb;
    color: #155724;
}

.alert-danger {
    background-color: #f8d7da;
    border-color: #f5c6cb;
    color: #721c24;
}

.alert-warning {
    background-color: #fff3cd;
    border-color: #ffeaa7;
    color: #856404;
}

.alert-info {
    background-color: #d1ecf1;
    border-color: #bee5eb;
    color: #0c5460;
}

/* ========================================
   Floating Labels
   ======================================== */

.form-floating > label {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    padding: 1rem 0.75rem;
    pointer-events: none;
    border: 1px solid transparent;
    transform-origin: 0 0;
    transition: opacity 0.1s ease-in-out, transform 0.1s ease-in-out;
}

.form-floating > .form-control:focus ~ label,
.form-floating > .form-control:not(:placeholder-shown) ~ label {
    opacity: 0.65;
    transform: scale(0.85) translateY(-1.5rem) translateX(0.15rem);
}

/* ========================================
   RTL Support (Arabic)
   ======================================== */

[dir="rtl"] .form-check-input {
    margin-right: 0;
    margin-left: 0.75rem;
}

[dir="rtl"] select,
[dir="rtl"] .form-select {
    background-position: left 0.75rem center;
    padding-left: 2.5rem;
    padding-right: 1rem;
}

[dir="rtl"] .input-group-prepend {
    order: 2;
}

[dir="rtl"] .input-group-append {
    order: 1;
}

[dir="rtl"] .invalid-feedback,
[dir="rtl"] .form-text.text-danger {
    text-align: right;
}

[dir="rtl"] .form-check-label {
    display: inline-block;
}

/* ========================================
   Mobile Optimization
   ======================================== */

@media (max-width: 768px) {
    .form-control,
    .form-input,
    input[type="text"],
    input[type="email"],
    input[type="password"],
    input[type="number"],
    input[type="phone"],
    input[type="tel"],
    textarea,
    select {
        font-size: 16px;
        padding: 0.85rem 1rem;
    }

    .btn,
    button,
    input[type="submit"],
    input[type="button"] {
        padding: 0.85rem 1.5rem;
        font-size: 0.95rem;
    }

    .form-label {
        font-size: 0.9rem;
    }

    .card-body,
    .form-card-body {
        padding: 1.25rem;
    }
}

/* ========================================
   Accessibility
   ======================================== */

/* Focus visible for keyboard navigation */
.form-control:focus-visible,
button:focus-visible,
select:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* High contrast mode */
@media (prefers-contrast: more) {
    .form-control,
    .form-input,
    input,
    textarea,
    select {
        border-width: 2px;
    }

    .btn {
        border: 2px solid;
    }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ========================================
   Print Styles
   ======================================== */

@media print {
    .form-control,
    .form-input,
    input,
    textarea,
    select {
        border: 1px solid #000;
        background: white;
    }

    .btn,
    button {
        display: none;
    }
}

/* ========================================
   Dark Text Emphasis (Light Mode Only)
   ======================================== */

.text-dark {
    color: var(--text-dark) !important;
}

.text-muted {
    color: var(--text-lighter) !important;
}

.bg-light {
    background-color: var(--background) !important;
}

.bg-white {
    background-color: var(--background-light) !important;
}

/* ========================================
   Form Sections
   ======================================== */

.form-section {
    margin-bottom: 2.5rem;
}

.form-section-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--border-light);
}

/* ========================================
   Responsive Grid
   ======================================== */

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

@media (max-width: 576px) {
    .form-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}

/* ========================================
   Large Form Control Styling
   ======================================== */

.form-control-lg,
.form-select-lg,
input[type="text"].form-control-lg,
input[type="tel"].form-control-lg,
input[type="email"].form-control-lg,
select.form-select-lg {
    font-size: 1.05rem !important;
    padding: 1rem 1.3rem !important;
    height: auto;
    min-height: 50px;
    border-radius: 8px !important;
    border: 2px solid #e8e8e8 !important;
    transition: var(--transition);
}

.form-control-lg:focus,
.form-select-lg:focus,
input[type="text"].form-control-lg:focus,
input[type="tel"].form-control-lg:focus,
input[type="email"].form-control-lg:focus,
select.form-select-lg:focus {
    border-color: var(--primary-color) !important;
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1) !important;
    outline: none;
}

.form-control-lg:hover:not(:focus),
.form-select-lg:hover:not(:focus) {
    border-color: var(--primary-light) !important;
}

/* ========================================
   Form Group with Grid Layout
   ======================================== */

.row.g-3 {
    gap: 2rem !important;
    margin-bottom: 2rem;
}

.row.g-3 .col-md-6 {
    padding-left: 0 !important;
    padding-right: 0 !important;
}

@media (max-width: 768px) {
    .row.g-3 {
        gap: 1.5rem !important;
    }
}

/* ========================================
   Billing Box & Invoice Details Design
   تصميم صندوق الفاتورة و تفاصيل الدفع
   ======================================== */

/* container عام */
.billing-box {
  background: #fff;
  border-radius: 12px;
  padding: 24px;
  box-shadow: 0 8px 24px rgba(0,0,0,.06);
}

/* grid */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

@media (max-width: 768px) {
  .form-grid {
    grid-template-columns: 1fr;
  }
}

/* labels */
.form-group label {
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 6px;
  display: block;
}

/* inputs + select */
.form-group input,
.form-group select,
textarea {
  width: 100%;
  height: 44px;
  padding: 10px 14px;
  border-radius: 8px;
  border: 1px solid #ddd;
  transition: .2s ease;
  font-size: 14px;
}

textarea {
  height: 90px;
  resize: vertical;
}

.form-group input:focus,
.form-group select:focus,
textarea:focus {
  outline: none;
  border-color: #0d6efd;
  box-shadow: 0 0 0 2px rgba(13,110,253,.15);
}

/* livraison options */
.delivery-options {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 10px;
}

.delivery-card {
  border: 1px solid #ddd;
  border-radius: 10px;
  padding: 16px;
  text-align: center;
  cursor: pointer;
  transition: .25s ease;
}

.delivery-card strong {
  display: block;
  margin-bottom: 4px;
}

.delivery-card.active {
  border-color: #0d6efd;
  box-shadow: 0 0 0 2px rgba(13,110,253,.15);
}

/* summary */
.summary-box {
  background: #fafafa;
  border-radius: 10px;
  padding: 16px;
  margin-top: 20px;
}

.summary-row {
  display: flex;
  justify-content: space-between;
  font-size: 14px;
  margin-bottom: 6px;
}

.summary-total {
  font-weight: 600;
  font-size: 16px;
}

/* button */
.confirm-btn {
  width: 240px;
  height: 46px;
  border-radius: 10px;
  font-weight: 500;
}