/* ═══════════════════════════════════════════════
   MODERN FORM STYLES
   Professional form design for EventPOS
   ═══════════════════════════════════════════════ */

:root {
    --primary-color: #3b7db5;
    --primary-dark: #2d6293;
    --primary-light: #e8f1f8;
    --navy: #1a2e45;
    --gray: #6b7280;
    --gray-light: #9ca3af;
    --border-color: #e5e7eb;
    --bg-secondary: #f9fafb;
    --bg-white: #ffffff;
    --danger-color: #dc2626;
    --success-color: #16a34a;
    --border-radius-sm: 8px;
    --border-radius-md: 12px;
    --transition-base: 0.15s ease;
    --font-ui: 'DM Sans', system-ui, -apple-system, sans-serif;
    --font-heading: 'Outfit', system-ui, -apple-system, sans-serif;
}

/* ── Container ── */
.form-modern-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem 1rem;
    font-family: var(--font-ui);
}

/* ── Card ── */
.form-modern-card {
    background: var(--bg-white);
    border: 1.5px solid var(--border-color);
    border-radius: var(--border-radius-md);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    overflow: hidden;
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ── Header ── */
.form-header {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white !important;
    padding: 2rem 2.5rem;
    text-align: center;
}

.form-header * {
    color: white !important;
}

.form-title {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    margin: 0 0 0.5rem 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    color: white;
}

.form-title-icon {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    backdrop-filter: blur(10px);
    color: white;
}

.form-title-icon i {
    color: white;
}

.form-subtitle {
    font-size: 1.125rem;
    margin: 0;
    opacity: 0.95;
    font-weight: 400;
}

/* ── Body ── */
.form-body {
    padding: 2.5rem;
}

.required-fields-note {
    background: var(--bg-secondary);
    border: 1.5px solid var(--border-color);
    border-left: 4px solid var(--primary-color);
    border-radius: var(--border-radius-sm);
    padding: 0.875rem 1.25rem;
    margin-bottom: 2rem;
    font-size: 0.9375rem;
    color: var(--gray);
}

/* ── Form Group ── */
.form-group {
    margin-bottom: 1.75rem;
}

.form-group label {
    display: block;
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    color: var(--navy);
    margin-bottom: 0.5rem;
}

/* ── Form Controls ── */
.form-control {
    width: 100%;
    /* Bootstrap 3 fixes .form-control at 34px; with this padding that leaves
       no room for the text and selects (overflow: clip) render empty. */
    height: auto;
    line-height: 1.5;
    padding: 0.925rem 1.175rem;
    font-size: 1.0625rem;
    font-family: var(--font-ui);
    color: var(--navy);
    background-color: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-base);
    outline: none;
    box-sizing: border-box;
}

.form-control:focus {
    background-color: var(--bg-white);
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.form-control::placeholder {
    color: var(--gray-light);
    opacity: 0.7;
}

.form-control:disabled {
    background-color: #e9ecef;
    opacity: 0.6;
    cursor: not-allowed;
}

/* ── Select ── */
select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 1.25rem;
    padding-right: 3rem;
    cursor: pointer;
}

/* ── Textarea ── */
textarea.form-control {
    min-height: 120px;
    resize: vertical;
}

/* ── Help Text ── */
.help-block {
    display: block;
    margin-top: 0.5rem;
    font-size: 0.875rem;
    color: var(--gray);
    font-style: italic;
}

/* ── Error Messages ── */
.invalid-feedback {
    margin-top: 0.5rem;
    font-size: 0.9375rem;
    color: var(--danger-color);
    font-weight: 500;
}

.form-control.is-invalid {
    border-color: var(--danger-color);
}

.form-control.is-invalid:focus {
    box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.15);
}

/* ── Checkboxes & Radios ── */
input[type="checkbox"],
input[type="radio"] {
    width: 1.25rem;
    height: 1.25rem;
    margin-right: 0.5rem;
    accent-color: var(--primary-color);
    cursor: pointer;
}

/* ── Form Actions ── */
.form-actions {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
    align-items: center;
    padding-top: 1.5rem;
    margin-top: 2rem;
    border-top: 1.5px solid var(--border-color);
}

/* ── Buttons ── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border: none;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
}

.btn i {
    font-size: 1rem;
}

.btn-primary {
    background: var(--primary-color);
    color: white;
    box-shadow: 0 2px 8px rgba(59, 125, 181, 0.25);
}

.btn-primary:hover {
    background: var(--primary-dark);
    box-shadow: 0 4px 12px rgba(59, 125, 181, 0.35);
    transform: translateY(-1px);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background: var(--bg-secondary);
    color: var(--navy);
    border: 1.5px solid var(--border-color);
}

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

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

.btn-danger:hover {
    background: #b91c1c;
}

/* ── Responsive ── */
@media (max-width: 768px) {
    .form-modern-container {
        padding: 1rem 0.5rem;
    }

    .form-header {
        padding: 1.5rem 1.5rem;
    }

    .form-title {
        font-size: 1.5rem;
        flex-direction: column;
        gap: 0.5rem;
    }

    .form-subtitle {
        font-size: 1rem;
    }

    .form-body {
        padding: 1.5rem;
    }

    .form-actions {
        flex-direction: column-reverse;
        gap: 0.75rem;
    }

    .btn {
        width: 100%;
    }
}