/* ===== PRATIK INVOICE — Metallic Theme ===== */

:root {
    --color-steel-dark: #1a252f;
    --color-steel: #2C3E50;
    --color-steel-mid: #4A6274;
    --color-steel-light: #7F8C8D;
    --color-silver: #BDC3C7;
    --color-silver-light: #ECF0F1;

    --color-accent: #E67E22;
    --color-accent-hover: #D35400;

    --color-bg: #F5F6FA;
    --color-card: #FFFFFF;
    --color-text: #2C3E50;
    --color-text-muted: #7F8C8D;
    --color-border: #DEE2E6;
    --color-success: #27AE60;
    --color-danger: #E74C3C;

    --font: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --radius: 6px;
    --shadow: 0 2px 8px rgba(0,0,0,0.1);
    --shadow-lg: 0 4px 16px rgba(0,0,0,0.15);

    --sidebar-width: 240px;
}

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

body {
    font-family: var(--font);
    background: var(--color-bg);
    color: var(--color-text);
    display: flex;
    min-height: 100vh;
}

/* ===== SIDEBAR ===== */
.sidebar {
    width: var(--sidebar-width);
    background: linear-gradient(180deg, var(--color-steel-dark) 0%, var(--color-steel) 100%);
    color: #fff;
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 100;
}

.sidebar-header {
    padding: 24px 20px 20px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.sidebar-header h1 {
    font-size: 18px;
    font-weight: 700;
    letter-spacing: 1px;
}

.sidebar-header h1 span {
    color: var(--color-accent);
}

.sidebar-header .subtitle {
    font-size: 11px;
    color: var(--color-silver);
    margin-top: 4px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
}

.sidebar nav {
    flex: 1;
    padding: 16px 0;
}

.sidebar nav a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    color: var(--color-silver);
    text-decoration: none;
    font-size: 14px;
    transition: all 0.2s;
    border-left: 3px solid transparent;
}

.sidebar nav a:hover {
    background: rgba(255,255,255,0.05);
    color: #fff;
}

.sidebar nav a.active {
    background: rgba(255,255,255,0.1);
    color: #fff;
    border-left-color: var(--color-accent);
}

.sidebar nav a .icon {
    width: 20px;
    text-align: center;
    font-size: 16px;
}

/* ===== MAIN CONTENT ===== */
.main-content {
    margin-left: var(--sidebar-width);
    flex: 1;
    padding: 32px;
    min-height: 100vh;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.page-header h2 {
    font-size: 22px;
    font-weight: 600;
    color: var(--color-steel);
}

/* ===== CARDS ===== */
.card {
    background: var(--color-card);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 24px;
    margin-bottom: 20px;
}

.card-header {
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--color-steel-mid);
    margin-bottom: 16px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--color-silver-light);
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 18px;
    border: none;
    border-radius: var(--radius);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-hover));
    color: #fff;
}
.btn-primary:hover {
    background: linear-gradient(135deg, var(--color-accent-hover), #C0392B);
    box-shadow: 0 2px 8px rgba(230,126,34,0.4);
}

.btn-secondary {
    background: linear-gradient(135deg, var(--color-steel-mid), var(--color-steel));
    color: #fff;
}
.btn-secondary:hover {
    background: linear-gradient(135deg, var(--color-steel), var(--color-steel-dark));
}

.btn-outline {
    background: transparent;
    color: var(--color-steel-mid);
    border: 1px solid var(--color-border);
}
.btn-outline:hover {
    background: var(--color-silver-light);
}

.btn-danger {
    background: var(--color-danger);
    color: #fff;
}
.btn-danger:hover {
    background: #C0392B;
}

.btn-sm {
    padding: 5px 12px;
    font-size: 12px;
}

/* ===== FORMS ===== */
.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--color-steel-mid);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 9px 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 14px;
    font-family: var(--font);
    color: var(--color-text);
    background: #fff;
    transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(230,126,34,0.1);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-row-3 {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 16px;
}

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

.data-table thead th {
    background: linear-gradient(135deg, var(--color-steel) 0%, var(--color-steel-mid) 100%);
    color: #fff;
    padding: 10px 14px;
    text-align: left;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
}

.data-table tbody td {
    padding: 10px 14px;
    border-bottom: 1px solid var(--color-silver-light);
    font-size: 13px;
}

.data-table tbody tr:nth-child(even) {
    background: #F8F9FB;
}

.data-table tbody tr:hover {
    background: #EEF1F5;
}

.data-table tbody tr {
    cursor: pointer;
    transition: background 0.15s;
}

/* ===== STATS CARDS ===== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.stat-card {
    background: var(--color-card);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 20px;
    border-left: 4px solid var(--color-accent);
}

.stat-card .stat-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--color-steel);
}

.stat-card .stat-label {
    font-size: 12px;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-top: 4px;
}

.stat-sublabel {
    font-size: 11px;
    color: var(--color-text-muted);
    margin-top: 4px;
}

.progress-bar {
    height: 6px;
    background: var(--color-silver-light);
    border-radius: 3px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: var(--color-accent);
    border-radius: 3px;
    transition: width 0.3s;
}

.progress-fill.progress-over {
    background: var(--color-danger);
}

/* ===== CHART ===== */
.chart-container { display: flex; align-items: flex-end; gap: 6px; height: 200px; padding: 10px 0; }
.chart-bar-wrap { flex: 1; display: flex; flex-direction: column; align-items: center; height: 100%; justify-content: flex-end; }
.chart-bar { width: 100%; min-height: 2px; background: linear-gradient(180deg, var(--color-accent) 0%, var(--color-steel-mid) 100%); border-radius: 4px 4px 0 0; transition: height 0.3s; }
.chart-bar-wrap { cursor: pointer; position: relative; }
.chart-bar-wrap:hover .chart-bar { opacity: 0.8; }
.chart-tooltip { display: none; position: absolute; bottom: 100%; left: 50%; transform: translateX(-50%); background: var(--color-steel-dark); color: #fff; border-radius: var(--radius); padding: 10px 14px; font-size: 12px; white-space: nowrap; z-index: 50; box-shadow: var(--shadow-lg); pointer-events: none; margin-bottom: 8px; }
.chart-tooltip::after { content: ''; position: absolute; top: 100%; left: 50%; transform: translateX(-50%); border: 6px solid transparent; border-top-color: var(--color-steel-dark); }
.chart-bar-wrap:hover .chart-tooltip, .chart-bar-wrap.active .chart-tooltip { display: block; }
.chart-tooltip .tooltip-row { display: flex; justify-content: space-between; gap: 16px; padding: 2px 0; }
.chart-tooltip .tooltip-row.total { border-top: 1px solid rgba(255,255,255,0.2); margin-top: 4px; padding-top: 6px; font-weight: 700; }
.chart-tooltip .tooltip-label { color: var(--color-silver); }
.chart-tooltip .tooltip-value { font-weight: 600; text-align: right; }
.chart-amount { font-size: 10px; font-weight: 600; color: var(--color-steel); margin-bottom: 4px; white-space: nowrap; }
.chart-label { font-size: 11px; color: var(--color-text-muted); margin-top: 6px; }
.chart-header { display: flex; justify-content: space-between; align-items: center; }
.chart-header select { padding: 4px 8px; border: 1px solid #ddd; border-radius: 4px; font-size: 13px; }

.charges-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.charges-row { display: flex; justify-content: space-between; padding: 8px 0; border-bottom: 1px solid var(--color-silver-light); }
.charges-row:last-child { border-bottom: none; font-weight: 700; }
.charges-row .label { color: var(--color-text-muted); font-size: 13px; }
.charges-row .value { font-weight: 600; font-size: 13px; }

/* ===== BADGE ===== */
.badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-draft {
    background: #FFF3E0;
    color: #E67E22;
}

.badge-final {
    background: #E8F5E9;
    color: #27AE60;
}

.badge-paid {
    background: #E0F2F1;
    color: #00796B;
}

.badge-unpaid {
    background: #FCE4EC;
    color: #C62828;
}

.badge-contact {
    background: #E3F2FD;
    color: #1976D2;
}

.badge-org {
    background: #F3E5F5;
    color: #7B1FA2;
}

/* ===== TOAST ===== */
.toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    padding: 12px 20px;
    border-radius: var(--radius);
    color: #fff;
    font-size: 13px;
    font-weight: 500;
    z-index: 1000;
    box-shadow: var(--shadow-lg);
    transition: opacity 0.3s, transform 0.3s;
}

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

/* ===== INVOICE LINES EDITOR ===== */
.line-row {
    display: grid;
    grid-template-columns: 1fr 100px 120px 100px 40px;
    gap: 8px;
    align-items: end;
    margin-bottom: 8px;
}

.line-row input {
    padding: 8px 10px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 13px;
    font-family: var(--font);
}

.line-row input:focus {
    outline: none;
    border-color: var(--color-accent);
}

.line-total {
    text-align: right;
    font-weight: 600;
    padding: 8px 0;
    font-size: 13px;
}

.btn-remove-line {
    background: none;
    border: none;
    color: var(--color-danger);
    cursor: pointer;
    font-size: 18px;
    padding: 6px;
}

.btn-remove-line:hover {
    color: #C0392B;
}

/* ===== AUTOCOMPLETE ===== */
.autocomplete-wrapper {
    position: relative;
}

.autocomplete-wrapper input {
    padding-right: 32px;
}

.autocomplete-clear {
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--color-steel-light);
    cursor: pointer;
    font-size: 16px;
    padding: 2px 4px;
    line-height: 1;
}

.autocomplete-clear:hover {
    color: var(--color-danger);
}

.autocomplete-list {
    position: absolute;
    z-index: 200;
    width: 100%;
    max-height: 200px;
    overflow-y: auto;
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    margin-top: 2px;
}

.autocomplete-item {
    padding: 8px 12px;
    cursor: pointer;
    font-size: 13px;
    transition: background 0.1s;
}

.autocomplete-item:hover,
.autocomplete-item.active {
    background: var(--color-silver-light);
}

.autocomplete-item .sub {
    font-size: 11px;
    color: var(--color-steel-mid);
    margin-top: 1px;
}

/* ===== EMPTY STATE ===== */
.empty-state {
    text-align: center;
    padding: 48px 20px;
    color: var(--color-text-muted);
}

.empty-state .icon {
    font-size: 48px;
    margin-bottom: 12px;
}

.empty-state p {
    font-size: 14px;
}

/* ===== AUTH PAGES ===== */
.auth-full {
    margin-left: 0 !important;
    display: flex;
    align-items: center;
    justify-content: center;
}

.auth-card {
    background: var(--color-card);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    padding: 40px;
    width: 100%;
    max-width: 420px;
}

.auth-logo {
    text-align: center;
    margin-bottom: 32px;
}

.auth-logo h1 {
    font-size: 22px;
    font-weight: 700;
    letter-spacing: 1px;
    color: var(--color-steel);
}

.auth-logo h1 span {
    color: var(--color-accent);
}

.auth-logo p {
    font-size: 13px;
    color: var(--color-text-muted);
    margin-top: 4px;
}

.auth-card .btn-block {
    width: 100%;
    justify-content: center;
    padding: 10px 18px;
    font-size: 14px;
    margin-top: 8px;
}

.auth-links {
    display: flex;
    justify-content: space-between;
    margin-top: 20px;
}

.auth-links a {
    font-size: 13px;
    color: var(--color-accent);
    text-decoration: none;
}

.auth-links a:hover {
    text-decoration: underline;
}

.auth-error {
    background: #FCE4EC;
    color: #C62828;
    padding: 10px 14px;
    border-radius: var(--radius);
    font-size: 13px;
    margin-bottom: 12px;
}

.auth-success {
    background: #E8F5E9;
    color: #2E7D32;
    padding: 10px 14px;
    border-radius: var(--radius);
    font-size: 13px;
    margin-bottom: 12px;
}

/* ===== SIDEBAR FOOTER ===== */
.sidebar-footer {
    padding: 16px 0;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.sidebar-logout {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    color: var(--color-silver);
    text-decoration: none;
    font-size: 14px;
    transition: all 0.2s;
    border-left: 3px solid transparent;
}

.sidebar-logout:hover {
    background: rgba(255,255,255,0.05);
    color: #fff;
}