/* SMECentral Custom Styles */
@import url('https://fonts.googleapis.com/css2?family=Inter+Tight:wght@300;400;500;600;700&display=swap');

:root {
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --success-color: #10b981;
    --error-color: #ef4444;
    --warning-color: #f59e0b;
    --text-primary: #111827;
    --text-secondary: #6b7280;
    --text-muted: #9ca3af;
    --border-color: #e5e7eb;
    --bg-gray: #f9fafb;
    --bg-white: #ffffff;
}

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

body {
    font-family: 'Inter Tight', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background-color: var(--bg-gray);
    color: var(--text-primary);
    line-height: 1.6;
}

/* Navigation */
nav {
    background: var(--bg-white);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.nav-container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 2rem;
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 4rem;
}

.nav-left {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.nav-logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
}

.company-switcher {
    position: relative;
}

.company-dropdown-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--bg-gray);
    border: none;
    border-radius: 0.5rem;
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
    transition: background 0.2s;
}

.company-dropdown-btn:hover {
    background: #e5e7eb;
}

.company-dropdown-menu {
    position: absolute;
    left: 0;
    top: calc(100% + 0.5rem);
    width: 16rem;
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    z-index: 50;
}

.company-dropdown-menu.hidden {
    display: none;
}

.company-dropdown-menu a {
    display: block;
    padding: 0.75rem 1rem;
    color: var(--text-primary);
    text-decoration: none;
    font-size: 0.875rem;
    border-bottom: 1px solid var(--border-color);
}

.company-dropdown-menu a:hover {
    background: var(--bg-gray);
}

.company-dropdown-menu a.active {
    background: #eff6ff;
    color: var(--primary-color);
    font-weight: 600;
}

.company-dropdown-menu a:last-child {
    border-bottom: none;
    color: var(--primary-color);
}

.nav-links {
    display: flex;
    gap: 2rem;
    margin-left: 2rem;
}

.nav-link {
    display: inline-flex;
    align-items: center;
    padding: 1rem 0.25rem;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    border-bottom: 2px solid transparent;
    transition: all 0.2s;
}

.nav-link:hover {
    color: var(--text-primary);
    border-color: #d1d5db;
}

.nav-link.active {
    color: var(--text-primary);
    border-color: var(--primary-color);
}

/* Main Content */
main {
    margin: 0 auto;
    padding: 2rem;
}

/* Messages */
.messages {
    margin: 1rem auto;
    padding: 0 2rem;
}

.message {
    padding: 1rem;
    margin-bottom: 1rem;
    border-radius: 0.5rem;
    font-size: 0.875rem;
}

.message.success {
    background: #d1fae5;
    color: #065f46;
}

.message.error {
    background: #fee2e2;
    color: #991b1b;
}

.message.warning {
    background: #fef3c7;
    color: #92400e;
}

.message.info {
    background: #dbeafe;
    color: #1e40af;
}

/* Cards */
.card {
    background: var(--bg-white);
    border-radius: 0.5rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    padding: 1.5rem;
}

.card-header {
    margin-bottom: 1.5rem;
}

.card-title {
    font-size: 1.875rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.card-subtitle {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Forms */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: 0.625rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    font-size: 0.875rem;
    font-family: 'Inter Tight', sans-serif;
    transition: all 0.2s;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-textarea {
    resize: vertical;
}

.form-error {
    color: var(--error-color);
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.625rem 1.5rem;
    border: none;
    border-radius: 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    font-family: 'Inter Tight', sans-serif;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
}

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

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

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

.btn-danger:hover {
    background: #dc2626;
}

.btn-secondary {
    background: var(--bg-gray);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background: #e5e7eb;
}

/* Tables */
.table-container {
    overflow-x: auto;
    border-radius: 0.5rem;
    border: 1px solid var(--border-color);
}

table {
    width: 100%;
    border-collapse: collapse;
}

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

th {
    padding: 0.75rem 1rem;
    text-align: left;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--text-secondary);
    letter-spacing: 0.05em;
}

td {
    padding: 1rem;
    border-top: 1px solid var(--border-color);
    font-size: 0.875rem;
}

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

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--bg-white);
    padding: 1.5rem;
    border-radius: 0.5rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
}

.stat-value.positive {
    color: var(--success-color);
}

.stat-value.negative {
    color: var(--error-color);
}

/* Utility Classes */
.container {
    max-width: 1200px;
    margin: 0 auto;
}

.container-wide {
    max-width: 1600px;
    margin: 0 auto;
}

.flex {
    display: flex;
}

.flex-col {
    flex-direction: column;
}

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

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

.justify-end {
    justify-content: flex-end;
}

.gap-1 {
    gap: 0.5rem;
}

.gap-2 {
    gap: 1rem;
}

.gap-3 {
    gap: 1.5rem;
}

.gap-4 {
    gap: 2rem;
}

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

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

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

.mb-4 {
    margin-bottom: 2rem;
}

.mt-4 {
    margin-top: 2rem;
}

.pt-4 {
    padding-top: 2rem;
}

.border-t {
    border-top: 1px solid var(--border-color);
}

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

.text-sm {
    font-size: 0.875rem;
}

.text-xs {
    font-size: 0.75rem;
}

.font-medium {
    font-weight: 500;
}

.font-semibold {
    font-weight: 600;
}

.font-bold {
    font-weight: 700;
}

.text-gray {
    color: var(--text-secondary);
}

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

.hidden {
    display: none;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

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

    main {
        padding: 1rem;
    }
}

/* File Upload */
.upload-zone {
    border: 2px dashed var(--border-color);
    border-radius: 0.5rem;
    padding: 3rem 2rem;
    text-align: center;
    transition: all 0.2s;
    cursor: pointer;
}

.upload-zone:hover,
.upload-zone.drag-over {
    border-color: var(--primary-color);
    background: #eff6ff;
}

.file-list {
    margin-top: 1rem;
}

.file-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem;
    background: var(--bg-gray);
    border-radius: 0.375rem;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
}

/* Company Select Screen */
.company-select-screen {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.company-select-card {
    max-width: 28rem;
    width: 100%;
    background: var(--bg-white);
    padding: 2rem;
    border-radius: 0.5rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.company-select-item {
    display: block;
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    margin-bottom: 0.75rem;
    text-decoration: none;
    color: var(--text-primary);
    transition: all 0.2s;
}

.company-select-item:hover {
    border-color: var(--primary-color);
    background: #eff6ff;
}

.company-select-divider {
    border-top: 1px solid var(--border-color);
    margin: 1.5rem 0;
}

.company-select-add {
    display: block;
    text-align: center;
    color: var(--primary-color);
    font-weight: 500;
    text-decoration: none;
}

.company-select-add:hover {
    color: var(--primary-hover);
}

/* Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 1rem;
    overflow-y: auto;
}

.modal-container {
    background: var(--bg-white);
    border-radius: 0.75rem;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    max-width: 42rem;
    width: 100%;
    max-height: 90vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.modal-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.modal-close-btn {
    background: none;
    border: none;
    font-size: 2rem;
    line-height: 1;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0;
    width: 2rem;
    height: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 0.375rem;
    transition: all 0.2s;
}

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

.modal-body {
    padding: 1.5rem;
    overflow-y: auto;
}

.modal-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 0.75rem;
    padding: 1.5rem;
    border-top: 1px solid var(--border-color);
}

/* Drop Zone */
.drop-zone {
    border: 2px dashed var(--border-color);
    border-radius: 0.75rem;
    padding: 3rem 2rem;
    text-align: center;
    transition: all 0.2s;
    cursor: pointer;
    background: var(--bg-gray);
}

.drop-zone:hover {
    border-color: var(--primary-color);
    background: #eff6ff;
}

.drop-zone.drag-over {
    border-color: var(--primary-color);
    background: #eff6ff;
    border-style: solid;
}

.file-list {
    margin-top: 1.5rem;
}

.file-item {
    margin-bottom: 0.5rem;
}