/* ===================================
   IRISH CRM TEST - ESTILOS
   =================================== */

/* --- Variables CSS --- */
:root {
    /* Colores principales */
    --color-primary: #2563eb;
    --color-primary-hover: #1d4ed8;
    --color-primary-light: #dbeafe;
    --color-secondary: #64748b;
    --color-secondary-hover: #475569;
    --color-danger: #ef4444;
    --color-danger-hover: #dc2626;
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-info: #06b6d4;
    --color-purple: #8b5cf6;

    /* Fondos */
    --bg-primary: #f8fafc;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f1f5f9;
    --bg-modal: rgba(15, 23, 42, 0.5);

    /* Textos */
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --text-inverse: #ffffff;

    /* Bordes */
    --border-light: #e2e8f0;
    --border-medium: #cbd5e1;
    --border-focus: #2563eb;

    /* Sombras */
    --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);

    /* Espaciado */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    --space-2xl: 48px;

    /* Radio */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;

    /* Transiciones */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;

    /* Z-index */
    --z-dropdown: 100;
    --z-modal: 1000;
    --z-toast: 1100;

    /* Columnas Kanban - colores por estado */
    --col-nuevo: #3b82f6;
    --col-contactado: #06b6d4;
    --col-catalogo: #8b5cf6;
    --col-presupuesto: #f59e0b;
    --col-ganado: #10b981;
    --col-perdido: #ef4444;
}

/* --- Reset y Base --- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.5;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* --- Utilidades --- */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* --- Header --- */
.header {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-light);
    padding: var(--space-md) var(--space-lg);
    position: sticky;
    top: 0;
    z-index: var(--z-dropdown);
    box-shadow: var(--shadow-sm);
}

.header-content {
    max-width: 100%;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

.logo-icon {
    width: 32px;
    height: 32px;
    color: var(--color-primary);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    flex-wrap: wrap;
}

/* --- Search Input --- */
.search-input {
    padding: var(--space-sm) var(--space-md);
    padding-left: 40px;
    border: 1px solid var(--border-medium);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    width: 280px;
    max-width: 100%;
    background: var(--bg-primary);
    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='%2394a3b8' stroke-width='2'%3E%3Ccircle cx='11' cy='11' r='8'%3E%3C/circle%3E%3Cline x1='21' y1='21' x2='16.65' y2='16.65'%3E%3C/line%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: 12px center;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.search-input:focus {
    outline: none;
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px var(--color-primary-light);
    background-color: var(--bg-secondary);
}

.search-input::placeholder {
    color: var(--text-muted);
}

/* --- Botones --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    padding: var(--space-sm) var(--space-md);
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    white-space: nowrap;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

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

.btn-primary:hover:not(:disabled) {
    background: var(--color-primary-hover);
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border: 1px solid var(--border-medium);
}

.btn-secondary:hover:not(:disabled) {
    background: var(--border-medium);
    color: var(--text-primary);
}

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

.btn-danger:hover:not(:disabled) {
    background: var(--color-danger-hover);
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    padding: var(--space-xs) var(--space-sm);
}

.btn-ghost:hover:not(:disabled) {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.btn-icon {
    padding: var(--space-xs);
    width: 36px;
    height: 36px;
}

.btn-sm {
    padding: var(--space-xs) var(--space-sm);
    font-size: 0.8125rem;
}

/* --- Main & Kanban Board --- */
.main {
    flex: 1;
    padding: var(--space-lg);
    overflow-x: auto;
}

.kanban-board {
    display: flex;
    gap: var(--space-md);
    min-height: calc(100vh - 140px);
    align-items: flex-start;
    padding-bottom: var(--space-lg);
}

.kanban-column {
    flex: 0 0 280px;
    max-width: 280px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    min-height: 500px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
}

.column-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md);
    border-bottom: 1px solid var(--border-light);
    background: var(--bg-secondary);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.column-title {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.column-color-indicator {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--column-color);
    flex-shrink: 0;
}

.column-count {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 9999px;
    min-width: 24px;
    text-align: center;
}

.column-dropzone {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-sm);
    min-height: 200px;
}

.column-dropzone.drag-over {
    background: var(--color-primary-light);
    border-radius: var(--radius-md);
}

.btn-add-column {
    margin: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    width: calc(100% - 2 * var(--space-sm));
    justify-content: center;
    color: var(--text-muted);
    border: 1px dashed var(--border-medium);
    background: transparent;
    border-radius: var(--radius-md);
}

.btn-add-column:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border-color: var(--border-focus);
}

/* --- Client Cards --- */
.client-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    margin-bottom: var(--space-sm);
    cursor: grab;
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--transition-fast), transform var(--transition-fast);
    position: relative;
}

.client-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.client-card.dragging {
    opacity: 0.5;
    cursor: grabbing;
    box-shadow: var(--shadow-lg);
}

.client-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    border-radius: var(--radius-md) var(--radius-md) 0 0;
}

.client-card[data-status="nuevo"]::before { background: var(--col-nuevo); }
.client-card[data-status="contactado"]::before { background: var(--col-contactado); }
.client-card[data-status="catalogo"]::before { background: var(--col-catalogo); }
.client-card[data-status="presupuesto"]::before { background: var(--col-presupuesto); }
.client-card[data-status="ganado"]::before { background: var(--col-ganado); }
.client-card[data-status="perdido"]::before { background: var(--col-perdido); }

.client-name {
    font-weight: 600;
    font-size: 0.9375rem;
    color: var(--text-primary);
    margin-bottom: var(--space-xs);
}

.client-meta {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
    font-size: 0.8125rem;
    color: var(--text-secondary);
}

.client-meta-item {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.client-meta-icon {
    width: 14px;
    height: 14px;
    color: var(--text-muted);
    flex-shrink: 0;
}

.client-phone {
    color: var(--text-secondary);
    text-decoration: none;
}

.client-phone:hover {
    color: var(--color-primary);
}

.client-origin {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 8px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-transform: capitalize;
    margin-top: var(--space-xs);
}

.client-dates {
    display: flex;
    justify-content: space-between;
    font-size: 0.7rem;
    color: var(--text-muted);
    margin-top: var(--space-sm);
    padding-top: var(--space-sm);
    border-top: 1px solid var(--border-light);
}

.client-actions {
    display: flex;
    gap: var(--space-xs);
    margin-top: var(--space-sm);
    padding-top: var(--space-sm);
    border-top: 1px solid var(--border-light);
}

.client-actions .btn {
    flex: 1;
    font-size: 0.75rem;
    padding: var(--space-xs) var(--space-sm);
}

/* --- Modal --- */
.modal {
    border: none;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    max-width: 520px;
    width: 90vw;
    max-height: 90vh;
    overflow: hidden;
    padding: 0;
}

.modal::backdrop {
    background: var(--bg-modal);
    backdrop-filter: blur(4px);
}

.modal-backdrop {
    position: fixed;
    inset: 0;
    background: transparent;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md) var(--space-lg);
    border-bottom: 1px solid var(--border-light);
    background: var(--bg-secondary);
}

.modal-header h2 {
    font-size: 1.125rem;
    font-weight: 600;
}

.btn-close {
    background: transparent;
    border: none;
    padding: var(--space-xs);
    color: var(--text-muted);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-close:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

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

.modal-form {
    padding: var(--space-lg);
    overflow-y: auto;
    max-height: calc(90vh - 120px);
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
}

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

.form-group-full {
    grid-column: 1 / -1;
}

.form-group label {
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: var(--space-sm) var(--space-md);
    border: 1px solid var(--border-medium);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-family: inherit;
    background: var(--bg-secondary);
    color: var(--text-primary);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

.form-group input[required]:invalid:not(:placeholder-shown),
.form-group select[required]:invalid:not(:placeholder-shown) {
    border-color: var(--color-danger);
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: var(--space-sm);
    padding: var(--space-lg);
    border-top: 1px solid var(--border-light);
    background: var(--bg-tertiary);
    margin: 0 calc(-1 * var(--space-lg)) calc(-1 * var(--space-lg)) calc(-1 * var(--space-lg));
    padding-left: var(--space-lg);
    padding-right: var(--space-lg);
}

/* --- Toast Notifications --- */
.toast-container {
    position: fixed;
    bottom: var(--space-lg);
    right: var(--space-lg);
    z-index: var(--z-toast);
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.toast {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-lg);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    border-left: 4px solid var(--color-primary);
    animation: slideIn 0.3s ease;
    max-width: 360px;
}

.toast.success { border-left-color: var(--color-success); }
.toast.error { border-left-color: var(--color-danger); }
.toast.warning { border-left-color: var(--color-warning); }

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(100%);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.toast-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.toast.success .toast-icon { color: var(--color-success); }
.toast.error .toast-icon { color: var(--color-danger); }
.toast.warning .toast-icon { color: var(--color-warning); }
.toast.info .toast-icon { color: var(--color-info); }

.toast-message {
    flex: 1;
    font-size: 0.875rem;
    color: var(--text-primary);
}

.toast-close {
    background: none;
    border: none;
    padding: var(--space-xs);
    color: var(--text-muted);
    cursor: pointer;
    border-radius: var(--radius-sm);
}

.toast-close:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

/* --- Empty State --- */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    min-height: 200px;
    padding: var(--space-lg);
    text-align: center;
    color: var(--text-muted);
}

.empty-state-icon {
    width: 48px;
    height: 48px;
    color: var(--border-medium);
    margin-bottom: var(--space-sm);
}

.empty-state-text {
    font-size: 0.875rem;
}

/* --- Responsive --- */
@media (max-width: 1024px) {
    .kanban-column {
        flex: 0 0 260px;
        max-width: 260px;
    }
}

@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        align-items: stretch;
    }

    .header-actions {
        width: 100%;
    }

    .search-input {
        flex: 1;
        min-width: 0;
    }

    .main {
        padding: var(--space-md);
    }

    .kanban-board {
        flex-wrap: nowrap;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scroll-snap-type: x mandatory;
        padding-bottom: var(--space-md);
        gap: var(--space-sm);
    }

    .kanban-column {
        flex: 0 0 280px;
        max-width: 280px;
        scroll-snap-align: start;
        min-height: auto;
    }

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

@media (max-width: 480px) {
    .header {
        padding: var(--space-md);
    }

    .logo {
        font-size: 1.125rem;
    }

    .btn-primary span {
        display: none;
    }

    .btn-primary {
        padding: var(--space-sm);
        width: 44px;
    }

    .btn-primary::before {
        content: '+';
        font-size: 1.25rem;
    }

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

    .modal-form {
        max-height: calc(100vh - 120px);
    }
}

/* --- Focus visible para accesibilidad --- */
:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.btn:focus-visible,
.form-group input:focus-visible,
.form-group select:focus-visible,
.form-group textarea:focus-visible,
.search-input:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* --- Scrollbar personalizado --- */
.column-dropzone::-webkit-scrollbar {
    width: 6px;
}

.column-dropzone::-webkit-scrollbar-track {
    background: transparent;
}

.column-dropzone::-webkit-scrollbar-thumb {
    background: var(--border-medium);
    border-radius: 3px;
}

.column-dropzone::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* --- Animaciones --- */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.client-card {
    animation: fadeIn 0.3s ease;
}