/* ===================================
   RESET & BASE STYLES
   =================================== */

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

:root {
    /* Colors */
    --primary: #2563eb;
    --primary-dark: #1e40af;
    --primary-light: #3b82f6;
    --secondary: #0ea5e9;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-blue: linear-gradient(135deg, #2563eb 0%, #0ea5e9 100%);
    --gradient-purple: linear-gradient(135deg, #8b5cf6 0%, #ec4899 100%);

    /* Neutrals */
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 16px;
    line-height: 1.5;
    color: var(--gray-900);
    background: var(--gray-50);
    overflow-x: hidden;
}

/* ===================================
   HEADER
   =================================== */

.header {
    background: var(--gradient-blue);
    color: white;
    padding: var(--spacing-lg) var(--spacing-xl);
    box-shadow: var(--shadow-lg);
    position: relative;
    z-index: 1000;
}

.header-content {
    max-width: 1400px;
    margin: 0 auto;
}

.header-title {
    font-size: 1.75rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xs);
}

.header-icon {
    width: 32px;
    height: 32px;
    stroke-width: 2.5;
}

.header-subtitle {
    font-size: 0.875rem;
    font-weight: 400;
    opacity: 0.95;
    margin-left: 48px;
}

/* ===================================
   CONTAINER & MAP
   =================================== */

.container {
    position: relative;
    width: 100%;
    height: calc(100vh - 100px);
    overflow: hidden;
}

#map {
    width: 100%;
    height: 100%;
    z-index: 1;
}

/* Custom Leaflet Popup */
.leaflet-popup-content-wrapper {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
}

.leaflet-popup-content {
    margin: var(--spacing-md);
    font-family: 'Inter', sans-serif;
}

.leaflet-popup-content h3 {
    color: var(--primary);
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.leaflet-popup-content p {
    margin: var(--spacing-xs) 0;
    color: var(--gray-700);
    font-size: 0.875rem;
}

/* ===================================
   FLOATING ACTION BUTTON (FAB)
   =================================== */

.fab {
    position: fixed;
    bottom: var(--spacing-2xl);
    right: var(--spacing-2xl);
    width: 64px;
    height: 64px;
    border-radius: var(--radius-full);
    background: var(--gradient-blue);
    color: white;
    border: none;
    cursor: pointer;
    box-shadow: var(--shadow-2xl);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 999;
    transition: all var(--transition-base);
}

.fab svg {
    width: 28px;
    height: 28px;
}

.fab:hover {
    transform: scale(1.1) rotate(90deg);
    box-shadow: 0 30px 60px -15px rgb(0 0 0 / 0.3);
}

.fab:active {
    transform: scale(0.95) rotate(90deg);
}

/* ===================================
   MODAL
   =================================== */

.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9999;
    display: none;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
}

.modal.active {
    display: flex;
}

.modal-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    animation: fadeIn var(--transition-base);
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

.modal-content {
    position: relative;
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-2xl);
    width: 100%;
    max-width: 800px;
    max-height: 90vh;
    overflow-y: auto;
    animation: slideUp var(--transition-slow);
    z-index: 1;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px) scale(0.95);
    }

    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-xl);
    border-bottom: 1px solid var(--gray-200);
    position: sticky;
    top: 0;
    background: white;
    z-index: 10;
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

.modal-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
}

.modal-close {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    border: none;
    background: var(--gray-100);
    color: var(--gray-600);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.modal-close svg {
    width: 20px;
    height: 20px;
}

.modal-close:hover {
    background: var(--gray-200);
    color: var(--gray-900);
}

/* ===================================
   FORM
   =================================== */

.modal-form {
    padding: var(--spacing-xl);
}

.form-section {
    margin-bottom: var(--spacing-2xl);
}

.form-section:last-child {
    margin-bottom: 0;
}

.form-section-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--primary);
    display: inline-block;
}

.form-subsection {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    border-left: 3px solid var(--primary);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.form-row:last-child {
    margin-bottom: 0;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.form-label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--gray-700);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.form-hint {
    font-size: 0.75rem;
    font-weight: 400;
    color: var(--gray-500);
    margin-left: var(--spacing-xs);
}

.required {
    color: var(--danger);
}

.form-input,
.form-input-file {
    padding: 0.75rem 1rem;
    border: 2px solid var(--gray-300);
    border-radius: var(--radius-md);
    font-size: 0.9375rem;
    font-family: inherit;
    color: var(--gray-900);
    background: white;
    transition: all var(--transition-fast);
    outline: none;
}

.form-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-input::placeholder {
    color: var(--gray-400);
}

.form-input[readonly] {
    background: var(--gray-100);
    cursor: not-allowed;
}

textarea.form-input {
    resize: vertical;
    min-height: 80px;
}

select.form-input {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%236b7280'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 1.25rem;
    padding-right: 2.5rem;
}

/* ===================================
   CHECKBOXES
   =================================== */

.checkbox-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: var(--spacing-md);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    transition: background var(--transition-fast);
    user-select: none;
}

.checkbox-label:hover {
    background: var(--gray-100);
}

.checkbox-label input[type="checkbox"] {
    display: none;
}

.checkbox-custom {
    width: 20px;
    height: 20px;
    border: 2px solid var(--gray-300);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

.checkbox-label input[type="checkbox"]:checked+.checkbox-custom {
    background: var(--primary);
    border-color: var(--primary);
}

.checkbox-label input[type="checkbox"]:checked+.checkbox-custom::after {
    content: '';
    width: 5px;
    height: 10px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
    margin-bottom: 2px;
}

/* ===================================
   FILE INPUT
   =================================== */

.form-input-file {
    display: none;
}

.file-label {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 0.875rem 1.5rem;
    border: 2px dashed var(--gray-300);
    border-radius: var(--radius-md);
    background: var(--gray-50);
    color: var(--gray-700);
    font-size: 0.9375rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.file-label svg {
    width: 20px;
    height: 20px;
}

.file-label:hover {
    border-color: var(--primary);
    background: var(--primary-light);
    color: var(--primary);
}

.image-preview-container {
    margin-top: var(--spacing-lg);
    display: flex;
    justify-content: center;
}

.image-preview {
    max-width: 200px;
    max-height: 200px;
    border-radius: var(--radius-lg);
    border: 3px solid var(--gray-200);
    object-fit: cover;
    box-shadow: var(--shadow-md);
}

/* ===================================
   BUTTONS
   =================================== */

.form-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: flex-end;
    margin-top: var(--spacing-2xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--gray-200);
}

.btn {
    padding: 0.875rem 1.75rem;
    border-radius: var(--radius-md);
    font-size: 0.9375rem;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    border: none;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    transition: all var(--transition-fast);
    outline: none;
}

.btn svg {
    width: 18px;
    height: 18px;
}

.btn-primary {
    background: var(--gradient-blue);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.btn-secondary {
    background: white;
    color: var(--gray-700);
    border: 2px solid var(--gray-300);
}

.btn-secondary:hover {
    background: var(--gray-100);
    border-color: var(--gray-400);
}

/* ===================================
   RESPONSIVE
   =================================== */

@media (max-width: 768px) {
    .header {
        padding: var(--spacing-md) var(--spacing-lg);
    }

    .header-title {
        font-size: 1.5rem;
    }

    .header-subtitle {
        font-size: 0.8125rem;
        margin-left: 40px;
    }

    .container {
        height: calc(100vh - 80px);
    }

    .fab {
        width: 56px;
        height: 56px;
        bottom: var(--spacing-xl);
        right: var(--spacing-xl);
    }

    .fab svg {
        width: 24px;
        height: 24px;
    }

    .modal {
        padding: 0;
    }

    .modal-content {
        max-width: 100%;
        max-height: 100vh;
        border-radius: 0;
    }

    .modal-header {
        border-radius: 0;
    }

    .modal-title {
        font-size: 1.25rem;
    }

    .modal-form {
        padding: var(--spacing-lg);
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .checkbox-grid {
        grid-template-columns: 1fr;
    }

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

    .btn {
        width: 100%;
        justify-content: center;
    }
}

/* ===================================
   SCROLLBAR CUSTOMIZATION
   =================================== */

.modal-content::-webkit-scrollbar {
    width: 8px;
}

.modal-content::-webkit-scrollbar-track {
    background: var(--gray-100);
}

.modal-content::-webkit-scrollbar-thumb {
    background: var(--gray-400);
    border-radius: var(--radius-full);
}

.modal-content::-webkit-scrollbar-thumb:hover {
    background: var(--gray-500);
}

/* ===================================
   NEW UI COMPONENTS (ROUND 2)
   =================================== */

/* Lock/Unlock Button */
.btn-icon-small {
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    border-radius: var(--radius-sm);
    color: var(--gray-500);
    transition: all var(--transition-fast);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-left: var(--spacing-xs);
}

.btn-icon-small:hover {
    background: var(--gray-200);
    color: var(--primary);
}

.btn-icon-small svg {
    width: 16px;
    height: 16px;
}

.btn-icon-small.unlocked {
    color: var(--warning);
}

/* Select with Action Button */
.select-with-action {
    position: relative;
    width: 100%;
}

/* Products Section */
.products-container {
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    border: 1px solid var(--gray-200);
}

.add-product-form {
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--gray-200);
}

.small-gap {
    gap: var(--spacing-sm) !important;
}

.form-label-small {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--gray-600);
    margin-bottom: 2px;
}

.form-input-small {
    padding: 0.5rem;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    width: 100%;
    background: white;
}

.btn-icon-primary {
    background: var(--primary);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-fast);
    margin-top: 18px;
    /* Align with inputs */
}

.btn-icon-primary:hover {
    background: var(--primary-dark);
}

.btn-icon-primary svg {
    width: 20px;
    height: 20px;
}

.products-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.product-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: white;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    border: 1px solid var(--gray-200);
    font-size: 0.875rem;
}

.product-info {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

.product-type {
    font-weight: 600;
    color: var(--gray-900);
}

.product-period {
    background: var(--gray-100);
    padding: 2px 8px;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    color: var(--gray-600);
}

.product-value {
    font-family: monospace;
    font-weight: 600;
    color: var(--success);
}

.btn-remove {
    background: none;
    border: none;
    color: var(--gray-400);
    cursor: pointer;
    padding: 4px;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.btn-remove:hover {
    color: var(--danger);
    background: #fee2e2;
}

.empty-state {
    text-align: center;
    color: var(--gray-500);
    font-size: 0.875rem;
    padding: var(--spacing-md);
    font-style: italic;
}

/* Exhibitor Modal Specifics */
#modal-exibidora .modal-content {
    border: 2px solid var(--primary);
}