/* ═══════════════════════════════════════════════════════════════════════════
   COMMERCIAL DOCUMENT MANAGER – Premium Dark Theme
   ═══════════════════════════════════════════════════════════════════════════ */

:root {
    /* Color Palette */
    --bg-primary: #0d0d12;
    --bg-secondary: #16161d;
    --bg-card: rgba(255, 255, 255, 0.04);
    --bg-card-hover: rgba(255, 255, 255, 0.07);
    --accent: #6366f1;
    --accent-light: #818cf8;
    --accent-glow: rgba(99, 102, 241, 0.35);
    --text-primary: #f4f4f5;
    --text-secondary: #a1a1aa;
    --text-muted: #71717a;
    --border: rgba(255, 255, 255, 0.08);
    --success: #22c55e;
    --danger: #ef4444;
    --warning: #f59e0b;

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

    /* Spacing */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.25s ease;
}

/* ─────────────────────────────────────────────────────────────────────────────
   RESET & BASE
   ───────────────────────────────────────────────────────────────────────────── */

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

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

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

/* ─────────────────────────────────────────────────────────────────────────────
   NAVIGATION TABS
   ───────────────────────────────────────────────────────────────────────────── */

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 2rem;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(12px);
}

.navbar__brand {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.navbar__brand svg {
    width: 28px;
    height: 28px;
    fill: var(--accent);
}

.navbar__tabs {
    display: flex;
    gap: 0.25rem;
    background: var(--bg-card);
    padding: 4px;
    border-radius: var(--radius-md);
}

.navbar__tab {
    padding: 0.5rem 1.25rem;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    background: transparent;
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.navbar__tab:hover {
    color: var(--text-primary);
    background: var(--bg-card-hover);
}

.navbar__tab.active {
    color: #fff;
    background: var(--accent);
    box-shadow: 0 2px 8px var(--accent-glow);
}

/* ─────────────────────────────────────────────────────────────────────────────
   LAYOUT
   ───────────────────────────────────────────────────────────────────────────── */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

.page-title {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.page-title::before {
    content: '';
    width: 4px;
    height: 1.5rem;
    background: var(--accent);
    border-radius: 2px;
}

/* ─────────────────────────────────────────────────────────────────────────────
   CARDS (Glass-morphism)
   ───────────────────────────────────────────────────────────────────────────── */

.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    backdrop-filter: blur(10px);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
}

.card__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border);
}

.card__title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* ─────────────────────────────────────────────────────────────────────────────
   FORM ELEMENTS
   ───────────────────────────────────────────────────────────────────────────── */

.form-group {
    margin-bottom: 1rem;
}

.form-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 0.35rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 0.65rem 0.85rem;
    font-size: 0.925rem;
    font-family: inherit;
    color: var(--text-primary);
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

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

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

.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%23a1a1aa' viewBox='0 0 16 16'%3E%3Cpath d='M7.247 11.14 2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    padding-right: 2.25rem;
}

.form-textarea {
    min-height: 100px;
    resize: vertical;
}

/* ─────────────────────────────────────────────────────────────────────────────
   BUTTONS
   ───────────────────────────────────────────────────────────────────────────── */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.6rem 1.25rem;
    font-size: 0.875rem;
    font-weight: 600;
    font-family: inherit;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn--primary {
    background: var(--accent);
    color: #fff;
}

.btn--primary:hover {
    background: var(--accent-light);
    box-shadow: 0 4px 14px var(--accent-glow);
}

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

.btn--secondary:hover {
    background: var(--bg-card-hover);
}

.btn--success {
    background: var(--success);
    color: #fff;
}

.btn--success:hover {
    filter: brightness(1.1);
}

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

.btn--danger:hover {
    filter: brightness(1.1);
}

.btn--sm {
    padding: 0.4rem 0.75rem;
    font-size: 0.75rem;
}

.btn--icon {
    padding: 0.5rem;
    border-radius: var(--radius-sm);
}

/* ─────────────────────────────────────────────────────────────────────────────
   TABLES
   ───────────────────────────────────────────────────────────────────────────── */

.table-wrapper {
    overflow-x: auto;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

thead {
    background: var(--bg-secondary);
}

th {
    text-align: left;
    padding: 0.85rem 1rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    font-size: 0.7rem;
    letter-spacing: 0.06em;
    border-bottom: 1px solid var(--border);
}

td {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border);
    color: var(--text-primary);
}

tbody tr {
    transition: background var(--transition-fast);
}

tbody tr:hover {
    background: var(--bg-card-hover);
}

tbody tr:last-child td {
    border-bottom: none;
}

td input,
td select {
    background: transparent;
    border: 1px solid transparent;
    padding: 0.35rem 0.5rem;
    color: inherit;
    font-size: inherit;
    border-radius: var(--radius-sm);
    width: 100%;
}

td input:focus,
td select:focus {
    outline: none;
    border-color: var(--accent);
    background: var(--bg-secondary);
}

/* ─────────────────────────────────────────────────────────────────────────────
   DOCUMENT HEADER SECTION
   ───────────────────────────────────────────────────────────────────────────── */

.doc-header {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.doc-title {
    font-size: 2rem;
    font-weight: 800;
    color: var(--accent-light);
    margin-bottom: 0.5rem;
}

/* ─────────────────────────────────────────────────────────────────────────────
   CLIENT SECTION
   ───────────────────────────────────────────────────────────────────────────── */

.client-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
}

/* ─────────────────────────────────────────────────────────────────────────────
   TWO COLUMN LAYOUT
   ───────────────────────────────────────────────────────────────────────────── */

.two-column-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

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

.compact-form {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

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

.form-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.75rem;
}

@media (max-width: 600px) {
    .form-row {
        grid-template-columns: 1fr;
    }
}

/* ─────────────────────────────────────────────────────────────────────────────
   TOTALS SECTION
   ───────────────────────────────────────────────────────────────────────────── */

.totals-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-top: 1rem;
}

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

.totals-row {
    display: flex;
    justify-content: space-between;
    padding: 0.6rem 0;
    border-bottom: 1px solid var(--border);
}

.totals-row:last-child {
    border-bottom: none;
}

.totals-row.total-final {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--accent-light);
}

/* ─────────────────────────────────────────────────────────────────────────────
   OBSERVATIONS
   ───────────────────────────────────────────────────────────────────────────── */

.observations {
    margin-top: 1.5rem;
}

/* ─────────────────────────────────────────────────────────────────────────────
   UTILITIES
   ───────────────────────────────────────────────────────────────────────────── */

.mt-1 {
    margin-top: 0.5rem;
}

.mt-2 {
    margin-top: 1rem;
}

.mt-3 {
    margin-top: 1.5rem;
}

.mb-1 {
    margin-bottom: 0.5rem;
}

.mb-2 {
    margin-bottom: 1rem;
}

.mb-3 {
    margin-bottom: 1.5rem;
}

.text-right {
    text-align: right;
}

.text-center {
    text-align: center;
}

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

.flex {
    display: flex;
}

.items-center {
    align-items: center;
}

.justify-between {
    justify-content: space-between;
}

.gap-1 {
    gap: 0.5rem;
}

.gap-2 {
    gap: 1rem;
}

/* ─────────────────────────────────────────────────────────────────────────────
   ANIMATIONS
   ───────────────────────────────────────────────────────────────────────────── */

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

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

.animate-in {
    animation: fadeIn 0.4s ease forwards;
}

/* Stagger children */
.stagger-children>*:nth-child(1) {
    animation-delay: 0.05s;
}

.stagger-children>*:nth-child(2) {
    animation-delay: 0.1s;
}

.stagger-children>*:nth-child(3) {
    animation-delay: 0.15s;
}

.stagger-children>*:nth-child(4) {
    animation-delay: 0.2s;
}

.stagger-children>*:nth-child(5) {
    animation-delay: 0.25s;
}

/* ─────────────────────────────────────────────────────────────────────────────
   TOAST NOTIFICATIONS
   ───────────────────────────────────────────────────────────────────────────── */

.toast-container {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.toast {
    padding: 0.85rem 1.25rem;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 500;
    color: #fff;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
    animation: slideIn 0.3s ease, fadeOut 0.3s ease 2.7s forwards;
}

.toast--success {
    background: var(--success);
}

.toast--error {
    background: var(--danger);
}

.toast--info {
    background: var(--accent);
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(20px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeOut {
    to {
        opacity: 0;
        transform: translateX(20px);
    }
}

/* ─────────────────────────────────────────────────────────────────────────────
   DOCUMENT TOPBAR (Logo & Actions)
   ───────────────────────────────────────────────────────────────────────────── */

.document-topbar {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 2rem;
    margin-bottom: 1.5rem;
    padding: 1.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
}

.logo-section {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.logo-container {
    width: 120px;
    height: 120px;
    border: 2px dashed var(--border);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-base);
    overflow: hidden;
    background: var(--bg-secondary);
}

.logo-container:hover {
    border-color: var(--accent);
    background: var(--bg-card-hover);
}

.logo-container img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.logo-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-muted);
    text-align: center;
    padding: 0.5rem;
}

.logo-placeholder svg {
    opacity: 0.5;
}

.logo-placeholder span {
    font-size: 0.7rem;
}

.logo-selector {
    min-width: 180px;
}

.action-buttons {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.action-buttons .btn {
    min-width: 130px;
}

/* ─────────────────────────────────────────────────────────────────────────────
   PRINT STYLES
   ───────────────────────────────────────────────────────────────────────────── */

.print-only {
    display: none;
}

/* ─────────────────────────────────────────────────────────────────────────────
   COMPANY HEADER
   ───────────────────────────────────────────────────────────────────────────── */

.company-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 2rem;
    margin-bottom: 1.5rem;
    padding: 1.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
}

.company-logo-section {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.company-info {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.company-name {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-light);
    margin: 0;
}

/* ─────────────────────────────────────────────────────────────────────────────
   FILTERS ROW
   ───────────────────────────────────────────────────────────────────────────── */

.filters-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
}

/* ─────────────────────────────────────────────────────────────────────────────
   DOCUMENT STATUS BADGES
   ───────────────────────────────────────────────────────────────────────────── */

.badge {
    display: inline-block;
    padding: 0.25rem 0.6rem;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    border-radius: var(--radius-sm);
}

.badge--factura {
    background: rgba(99, 102, 241, 0.2);
    color: var(--accent-light);
}

.badge--proforma {
    background: rgba(245, 158, 11, 0.2);
    color: var(--warning);
}

.badge--presupuesto {
    background: rgba(34, 197, 94, 0.2);
    color: var(--success);
}

.badge--albaran {
    background: rgba(161, 161, 170, 0.2);
    color: var(--text-secondary);
}

/* ─────────────────────────────────────────────────────────────────────────────
   COMPANY FISCAL DATA
   ───────────────────────────────────────────────────────────────────────────── */

.company-fiscal-data {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1.5rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.company-fiscal-data span:empty {
    display: none;
}

/* ─────────────────────────────────────────────────────────────────────────────
   COMPANY FORM PAGE
   ───────────────────────────────────────────────────────────────────────────── */

.company-form-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

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

.form-actions {
    margin-top: 1.5rem;
    display: flex;
    justify-content: flex-end;
}

.company-preview {
    padding: 1.5rem;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    text-align: center;
}

.preview-name {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--accent-light);
    margin-bottom: 0.5rem;
}

.preview-details {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1.5rem;
    justify-content: center;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* ─────────────────────────────────────────────────────────────────────────────
   PRINT STYLES - A4 FIT
   ───────────────────────────────────────────────────────────────────────────── */

@media print {

    /* Hide non-printable elements */
    .no-print,
    .navbar,
    .action-buttons,
    .logo-placeholder span,
    #edit-date-btn,
    #edit-numero-btn,
    #save-client-btn,
    #activity-select,
    .toast-container {
        display: none !important;
    }

    .print-only {
        display: inline !important;
    }

    /* Scale to fit A4 */
    html {
        font-size: 10pt;
    }

    body {
        background: #fff !important;
        color: #000 !important;
        margin: 0;
        padding: 0;
    }

    .container {
        max-width: 100%;
        padding: 0;
        margin: 0;
    }

    /* Company header for print */
    .company-header {
        background: #fff !important;
        border: none !important;
        padding: 0 0 10pt 0 !important;
        margin-bottom: 10pt !important;
        border-bottom: 2pt solid #000 !important;
    }

    .company-name {
        color: #000 !important;
        font-size: 14pt !important;
        margin-bottom: 4pt !important;
    }

    .company-fiscal-data {
        color: #333 !important;
        font-size: 9pt !important;
        gap: 4pt 12pt !important;
    }

    .logo-container {
        width: 80pt !important;
        height: 80pt !important;
        border: none !important;
        background: transparent !important;
    }

    .doc-title {
        color: #000 !important;
        font-size: 16pt !important;
        margin: 8pt 0 !important;
    }

    /* Cards for print */
    .card {
        background: #fff !important;
        border: 1px solid #ccc !important;
        box-shadow: none !important;
        transform: none !important;
        page-break-inside: avoid;
        margin-bottom: 8pt !important;
        padding: 8pt !important;
    }

    .card__header {
        padding: 4pt 0 !important;
        margin-bottom: 6pt !important;
    }

    .card__title {
        font-size: 10pt !important;
    }

    /* Form elements */
    .form-input,
    .form-select,
    .form-textarea,
    td input,
    td select {
        border: none !important;
        background: transparent !important;
        color: #000 !important;
        padding: 2pt !important;
        font-size: 9pt !important;
    }

    .form-label {
        font-size: 8pt !important;
        color: #666 !important;
    }

    /* Table */
    table {
        border: 1px solid #000 !important;
        font-size: 9pt !important;
    }

    th,
    td {
        border: 1px solid #ccc !important;
        color: #000 !important;
        padding: 4pt !important;
    }

    thead {
        background: #f0f0f0 !important;
    }

    /* Two column grid for print */
    .two-column-grid {
        display: grid !important;
        grid-template-columns: 1fr 1fr !important;
        gap: 6pt !important;
    }

    .compact-form {
        gap: 3pt !important;
    }

    .form-row {
        gap: 4pt !important;
    }

    /* Totals */
    .totals-grid {
        gap: 6pt !important;
        margin-top: 6pt !important;
    }

    .totals-row {
        padding: 3pt 0 !important;
        font-size: 8pt !important;
        border-color: #ccc !important;
    }

    .totals-row.total-final {
        color: #000 !important;
        font-weight: bold !important;
        font-size: 10pt !important;
    }

    /* Client section */
    .client-section {
        gap: 4pt !important;
    }

    /* Observations */
    .observations {
        margin-top: 6pt !important;
    }

    .form-textarea {
        min-height: 20pt !important;
        font-size: 8pt !important;
    }

    /* Reduce table size */
    th,
    td {
        padding: 2pt !important;
        font-size: 8pt !important;
    }

    /* Doc title smaller */
    .doc-title {
        font-size: 12pt !important;
        margin: 4pt 0 !important;
    }

    /* Card padding smaller */
    .card {
        padding: 6pt !important;
        margin-bottom: 6pt !important;
    }

    .card__header {
        padding: 2pt 0 !important;
        margin-bottom: 4pt !important;
    }

    .card__title {
        font-size: 9pt !important;
    }

    /* Company header smaller */
    .company-header {
        padding: 0 0 6pt 0 !important;
        margin-bottom: 6pt !important;
    }

    .company-name {
        font-size: 12pt !important;
        margin-bottom: 2pt !important;
    }

    .company-fiscal-data {
        font-size: 8pt !important;
        gap: 2pt 8pt !important;
    }

    .logo-container {
        width: 60pt !important;
        height: 60pt !important;
    }

    /* Page setup */
    @page {
        size: A4;
        margin: 8mm;
    }
}