/* ===== VARIABLES ===== */
:root {
    --bg: #121214;
    --surface: #202024;
    --border: #323238;
    --text: #E1E1E6;
    --text-secondary: #8D8D99;
    --primary: #04D361;
    --primary-hover: #03b854;
    --warning: #FBA94C;
    --danger: #F75A68;
    --danger-hover: #e04555;
    --sidebar-width: 260px;
}

/* ===== RESET & BASE ===== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html, body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--bg);
    color: var(--text);
    font-size: 14px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--primary);
    text-decoration: none;
}

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

/* ===== LAYOUT ===== */
.layout {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: var(--sidebar-width);
    background-color: var(--surface);
    border-right: 1px solid var(--border);
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    overflow-y: auto;
    z-index: 100;
    display: flex;
    flex-direction: column;
}

.main-content {
    margin-left: var(--sidebar-width);
    flex: 1;
    padding: 2rem 2.5rem;
    min-height: 100vh;
}

/* ===== SIDEBAR ===== */
.sidebar-brand {
    padding: 1.5rem 1.25rem;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary);
    border-bottom: 1px solid var(--border);
}

.sidebar-brand small {
    display: block;
    font-size: 0.7rem;
    font-weight: 400;
    color: var(--text-secondary);
    margin-top: 2px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.empresa-selector {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border);
}

.empresa-selector label {
    display: block;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.empresa-selector select {
    width: 100%;
    padding: 0.5rem 0.75rem;
    background-color: var(--bg);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 0.85rem;
    outline: none;
    cursor: pointer;
}

.empresa-selector select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(4, 211, 97, 0.15);
}

/* Sidebar Navigation */
.sidebar nav {
    padding: 0.75rem 0;
    flex: 1;
}

.nav-section {
    padding: 1rem 1.25rem 0.4rem;
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: var(--text-secondary);
    font-weight: 600;
}

.sidebar nav a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.55rem 1.25rem;
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 500;
    transition: all 0.15s ease;
    border-left: 3px solid transparent;
}

.sidebar nav a:hover {
    color: var(--text);
    background-color: rgba(255, 255, 255, 0.04);
}

.sidebar nav a.active {
    color: var(--primary);
    background-color: rgba(4, 211, 97, 0.08);
    border-left-color: var(--primary);
}

.nav-badge {
    background-color: var(--danger);
    color: #fff;
    font-size: 0.65rem;
    font-weight: 700;
    padding: 0.15rem 0.5rem;
    border-radius: 10px;
    min-width: 20px;
    text-align: center;
}

/* ===== PAGE HEADER ===== */
.page-header {
    margin-bottom: 2rem;
}

.page-header h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text);
}

.page-header p {
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

/* ===== CARDS ===== */
.card {
    background-color: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text);
}

.card h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text);
}

/* ===== STAT CARDS (Dashboard) ===== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.stat-card {
    background-color: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1.25rem 1.5rem;
}

.stat-card .label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.stat-card .value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text);
    line-height: 1;
}

/* ===== TABLES ===== */
table {
    width: 100%;
    border-collapse: collapse;
}

thead {
    border-bottom: 2px solid var(--border);
}

th {
    text-align: left;
    padding: 0.75rem 1rem;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
    font-weight: 600;
}

td {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border);
    color: var(--text);
    font-size: 0.85rem;
}

tbody tr:hover {
    background-color: rgba(255, 255, 255, 0.02);
}

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

/* ===== BUTTONS ===== */
.btn, button[type="submit"] {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.55rem 1.25rem;
    border: none;
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s ease;
    text-decoration: none;
    line-height: 1.5;
}

.btn-primary, button[type="submit"] {
    background-color: var(--primary);
    color: var(--bg);
}

.btn-primary:hover, button[type="submit"]:hover {
    background-color: var(--primary-hover);
    color: var(--bg);
}

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

.btn-secondary:hover {
    background-color: #3e3e45;
    color: var(--text);
}

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

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

.btn-outline {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text);
}

.btn-outline:hover {
    border-color: var(--text-secondary);
    background-color: rgba(255, 255, 255, 0.04);
}

.btn-sm {
    padding: 0.35rem 0.75rem;
    font-size: 0.75rem;
}

.btn-group {
    display: flex;
    gap: 0.5rem;
}

/* ===== FORMS ===== */
.form-group {
    margin-bottom: 1rem;
}

.form-group label, label {
    display: block;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 0.4rem;
}

input[type="text"],
input[type="email"],
input[type="number"],
input[type="date"],
input[type="datetime-local"],
input[type="tel"],
input[type="password"],
input[type="search"],
input[type="url"],
textarea,
select,
.form-control {
    width: 100%;
    padding: 0.55rem 0.75rem;
    background-color: var(--bg);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 0.85rem;
    font-family: inherit;
    outline: none;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

input:focus,
textarea:focus,
select:focus,
.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(4, 211, 97, 0.15);
}

input::placeholder,
textarea::placeholder {
    color: var(--text-secondary);
    opacity: 0.6;
}

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

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

/* ===== BADGES ===== */
.badge {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.3px;
}

.badge-success {
    background-color: rgba(4, 211, 97, 0.15);
    color: var(--primary);
}

.badge-warning {
    background-color: rgba(251, 169, 76, 0.15);
    color: var(--warning);
}

.badge-danger {
    background-color: rgba(247, 90, 104, 0.15);
    color: var(--danger);
}

.badge-neutral {
    background-color: rgba(141, 141, 153, 0.15);
    color: var(--text-secondary);
}

/* ===== EMPTY STATE ===== */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-secondary);
}

.empty-state h2 {
    font-size: 1.25rem;
    color: var(--text);
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.empty-state p {
    font-size: 0.9rem;
}

/* ===== TOOLBAR (page actions) ===== */
.toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    gap: 1rem;
}

.toolbar .search {
    flex: 1;
    max-width: 320px;
}

/* ===== ALERTS ===== */
.alert {
    padding: 0.75rem 1rem;
    border-radius: 6px;
    font-size: 0.85rem;
    margin-bottom: 1rem;
    border: 1px solid;
}

.alert-success {
    background-color: rgba(4, 211, 97, 0.1);
    border-color: rgba(4, 211, 97, 0.2);
    color: var(--primary);
}

.alert-warning {
    background-color: rgba(251, 169, 76, 0.1);
    border-color: rgba(251, 169, 76, 0.2);
    color: var(--warning);
}

.alert-danger {
    background-color: rgba(247, 90, 104, 0.1);
    border-color: rgba(247, 90, 104, 0.2);
    color: var(--danger);
}

/* ===== MODAL OVERLAY ===== */
.modal-overlay {
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 200;
    backdrop-filter: blur(4px);
}

.modal-content {
    background-color: var(--surface);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 2rem;
    width: 90%;
    max-width: 560px;
    max-height: 85vh;
    overflow-y: auto;
}

.modal-content h2 {
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 0.5rem;
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border);
}

/* ===== VALIDATION ===== */
.valid.modified:not([type=checkbox]) {
    outline: none;
    border-color: var(--primary);
}

.invalid {
    outline: none;
    border-color: var(--danger) !important;
}

.validation-message {
    color: var(--danger);
    font-size: 0.75rem;
    margin-top: 0.25rem;
}

/* ===== BLAZOR ERROR ===== */
.blazor-error-boundary {
    background: var(--danger);
    padding: 1rem 1.5rem;
    color: white;
    border-radius: 6px;
    margin: 1rem 0;
}

.blazor-error-boundary::after {
    content: "An error has occurred.";
}

#blazor-error-ui {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 0.6rem 1.25rem;
    background: var(--surface);
    border-top: 2px solid var(--danger);
    color: var(--text);
    z-index: 1000;
}

#blazor-error-ui .dismiss {
    cursor: pointer;
    position: absolute;
    right: 0.75rem;
    top: 0.5rem;
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: var(--bg);
}

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

::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}

/* ===== BOOTSTRAP OVERRIDES ===== */
.form-control {
    background-color: var(--bg) !important;
    color: var(--text) !important;
    border-color: var(--border) !important;
}

.form-control:focus {
    border-color: var(--primary) !important;
    box-shadow: 0 0 0 2px rgba(4, 211, 97, 0.15) !important;
}

.form-select {
    background-color: var(--bg);
    color: var(--text);
    border-color: var(--border);
}

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

.table > :not(caption) > * > * {
    background-color: transparent;
    border-bottom-color: var(--border);
    color: var(--text);
}

.table-hover > tbody > tr:hover > * {
    background-color: rgba(255, 255, 255, 0.02);
    color: var(--text);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .sidebar {
        width: 100%;
        position: relative;
        border-right: none;
        border-bottom: 1px solid var(--border);
    }

    .main-content {
        margin-left: 0;
        padding: 1.25rem;
    }

    .layout {
        flex-direction: column;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .toolbar {
        flex-direction: column;
        align-items: stretch;
    }

    .toolbar .search {
        max-width: 100%;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
}