/* ============================================================
   Foundry — Main Stylesheet
   assets/css/style.css
   
   Design: Industrial/utilitarian — clean, functional, no fluff.
   Fonts: IBM Plex Sans (UI) + IBM Plex Mono (numbers/codes)
   ============================================================ */

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

:root {
    /* Colour palette */
    --bg-app:        #0f1117;
    --bg-sidebar:    #13161e;
    --bg-main:       #f4f5f7;
    --bg-card:       #ffffff;
    --border:        #e2e4e9;
    --border-dark:   #252a35;

    --text-primary:  #1a1d27;
    --text-secondary:#5c6270;
    --text-light:    #9aa0ad;
    --text-sidebar:  #c8cdd8;
    --text-sidebar-muted: #5c6575;

    --accent:        #f97316;   /* Orange — action colour */
    --accent-hover:  #ea6a0a;
    --accent-soft:   #fff4ed;

    --success:       #16a34a;
    --success-soft:  #f0fdf4;
    --warning:       #d97706;
    --warning-soft:  #fffbeb;
    --danger:        #dc2626;
    --danger-soft:   #fef2f2;
    --info:          #2563eb;
    --info-soft:     #eff6ff;

    /* Sidebar dimensions */
    --sidebar-width: 220px;

    /* Typography */
    --font-ui:    'IBM Plex Sans', sans-serif;
    --font-mono:  'IBM Plex Mono', monospace;

    /* Spacing */
    --radius:     6px;
    --radius-lg:  10px;

    /* Shadows */
    --shadow-sm:  0 1px 3px rgba(0,0,0,0.08);
    --shadow-md:  0 4px 12px rgba(0,0,0,0.10);
}

html, body {
    height: 100%;
    font-family: var(--font-ui);
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-app);
    -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
button { cursor: pointer; font-family: var(--font-ui); }
input, select, textarea { font-family: var(--font-ui); }

/* ---- APP SHELL ------------------------------------------- */
.app-shell {
    display: flex;
    height: 100vh;
    overflow: hidden;
}

/* ---- SIDEBAR --------------------------------------------- */
.sidebar {
    width: var(--sidebar-width);
    min-width: var(--sidebar-width);
    background: var(--bg-sidebar);
    border-right: 1px solid var(--border-dark);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    overflow-x: hidden;
}

.sidebar-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 20px 18px 16px;
    border-bottom: 1px solid var(--border-dark);
}

.logo-mark {
    width: 30px;
    height: 30px;
    background: var(--accent);
    color: #fff;
    font-family: var(--font-mono);
    font-weight: 500;
    font-size: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    flex-shrink: 0;
}

.logo-text {
    font-size: 15px;
    font-weight: 600;
    color: #fff;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.sidebar-business {
    padding: 12px 18px;
    border-bottom: 1px solid var(--border-dark);
}

.business-label {
    display: block;
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-sidebar-muted);
    margin-bottom: 2px;
}

.business-name {
    font-size: 12px;
    font-weight: 500;
    color: var(--text-sidebar);
}

.sidebar-nav {
    flex: 1;
    padding: 12px 10px;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.nav-group-label {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-sidebar-muted);
    padding: 12px 8px 4px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 9px;
    padding: 8px 10px;
    border-radius: var(--radius);
    font-size: 13px;
    font-weight: 400;
    color: var(--text-sidebar);
    transition: background 0.15s, color 0.15s;
}

.nav-item:hover {
    background: rgba(255,255,255,0.06);
    color: #fff;
}

.nav-item.active {
    background: rgba(249,115,22,0.15);
    color: var(--accent);
    font-weight: 500;
}

.nav-icon {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
    opacity: 0.8;
}

.sidebar-footer {
    padding: 14px 18px;
    border-top: 1px solid var(--border-dark);
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.sidebar-user {
    font-size: 12px;
    font-weight: 500;
    color: var(--text-sidebar);
}

.logout-link {
    font-size: 11px;
    color: var(--text-sidebar-muted);
    transition: color 0.15s;
}

.logout-link:hover {
    color: var(--danger);
}

/* ---- MAIN CONTENT ---------------------------------------- */
.main-content {
    flex: 1;
    overflow-y: auto;
    background: var(--bg-main);
}

.page-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 32px 28px;
}

/* ---- PAGE HEADER ----------------------------------------- */
.page-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 28px;
    gap: 16px;
    flex-wrap: wrap;
}

.page-header h1 {
    font-size: 22px;
    font-weight: 600;
    color: var(--text-primary);
}

.page-subtitle {
    font-size: 13px;
    color: var(--text-secondary);
    margin-top: 2px;
}

/* ---- CARDS ----------------------------------------------- */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.card-body {
    padding: 24px;
}

.card-header {
    padding: 18px 24px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.card-header h2 {
    font-size: 15px;
    font-weight: 600;
}

/* ---- STAT CARDS ------------------------------------------ */
.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 16px;
    margin-bottom: 28px;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 20px;
    box-shadow: var(--shadow-sm);
}

.stat-label {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.stat-value {
    font-size: 26px;
    font-weight: 600;
    font-family: var(--font-mono);
    color: var(--text-primary);
    line-height: 1.1;
}

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

/* ---- BUTTONS --------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 8px 16px;
    border-radius: var(--radius);
    font-size: 13px;
    font-weight: 500;
    border: none;
    transition: background 0.15s, opacity 0.15s;
    line-height: 1;
    white-space: nowrap;
}

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

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

.btn-secondary {
    background: #fff;
    color: var(--text-primary);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
}

.btn-secondary:hover { background: #f8f8f8; }

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

.btn-danger:hover { opacity: 0.9; }

.btn-sm {
    padding: 5px 11px;
    font-size: 12px;
}

.btn svg {
    width: 14px;
    height: 14px;
}

/* ---- TABLES ---------------------------------------------- */
.table-wrap {
    overflow-x: auto;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
}

table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-card);
}

thead th {
    background: #f9fafb;
    text-align: left;
    padding: 10px 16px;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}

tbody td {
    padding: 11px 16px;
    border-bottom: 1px solid var(--border);
    font-size: 13px;
    color: var(--text-primary);
}

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

tbody tr:hover td {
    background: #fafafa;
}

.td-mono {
    font-family: var(--font-mono);
    font-size: 12px;
}

/* ---- BADGES / STATUS PILLS ------------------------------- */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 9px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 500;
    text-transform: capitalize;
    letter-spacing: 0.02em;
}

.badge-draft    { background: #f1f3f5; color: var(--text-secondary); }
.badge-sent     { background: var(--info-soft); color: var(--info); }
.badge-deposit  { background: var(--warning-soft); color: var(--warning); }
.badge-paid     { background: var(--success-soft); color: var(--success); }
.badge-cancelled{ background: var(--danger-soft); color: var(--danger); }

/* ---- FORMS ----------------------------------------------- */
.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

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

label {
    font-size: 12px;
    font-weight: 500;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="number"],
input[type="date"],
select,
textarea {
    width: 100%;
    padding: 8px 11px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 13px;
    color: var(--text-primary);
    background: #fff;
    transition: border-color 0.15s, box-shadow 0.15s;
    outline: none;
}

input:focus,
select:focus,
textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(249,115,22,0.12);
}

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

/* ---- ALERTS ---------------------------------------------- */
.alert {
    padding: 11px 16px;
    border-radius: var(--radius);
    font-size: 13px;
    margin-bottom: 20px;
    border-left: 3px solid transparent;
}

.alert-success {
    background: var(--success-soft);
    border-color: var(--success);
    color: var(--success);
}

.alert-error {
    background: var(--danger-soft);
    border-color: var(--danger);
    color: var(--danger);
}

.alert-warning {
    background: var(--warning-soft);
    border-color: var(--warning);
    color: var(--warning);
}

/* ---- EMPTY STATE ----------------------------------------- */
.empty-state {
    text-align: center;
    padding: 60px 24px;
    color: var(--text-secondary);
}

.empty-state p {
    margin-bottom: 16px;
    font-size: 14px;
}

/* ---- UTILITY --------------------------------------------- */
.text-right { text-align: right; }
.text-muted  { color: var(--text-secondary); }
.text-mono   { font-family: var(--font-mono); }
.mt-4 { margin-top: 4px; }
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.flex { display: flex; }
.gap-8 { gap: 8px; }
.gap-12 { gap: 12px; }
.items-center { align-items: center; }

/* ---- LOGIN PAGE ------------------------------------------ */
.login-page {
    min-height: 100vh;
    background: var(--bg-app);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.login-box {
    width: 100%;
    max-width: 380px;
}

.login-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 32px;
}

.login-logo .logo-mark {
    width: 36px;
    height: 36px;
    font-size: 18px;
}

.login-logo .logo-text {
    font-size: 20px;
    font-weight: 600;
    color: #fff;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.login-card {
    background: var(--bg-sidebar);
    border: 1px solid var(--border-dark);
    border-radius: var(--radius-lg);
    padding: 32px;
}

.login-card h2 {
    font-size: 16px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 6px;
}

.login-card p {
    font-size: 13px;
    color: var(--text-sidebar-muted);
    margin-bottom: 24px;
}

.login-card .form-group {
    margin-bottom: 16px;
}

.login-card label {
    color: var(--text-sidebar);
}

.login-card input {
    background: var(--bg-app);
    border-color: var(--border-dark);
    color: #fff;
}

.login-card input:focus {
    border-color: var(--accent);
}

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

/* ---- RESPONSIVE ------------------------------------------ */
@media (max-width: 768px) {
    .app-shell { flex-direction: column; }

    .sidebar {
        width: 100%;
        min-width: unset;
        flex-direction: row;
        flex-wrap: wrap;
        height: auto;
        overflow: visible;
    }

    .sidebar-logo, .sidebar-business, .sidebar-footer {
        display: none;
    }

    .sidebar-nav {
        flex-direction: row;
        flex-wrap: wrap;
        padding: 8px;
        border-bottom: 1px solid var(--border-dark);
    }

    .nav-group-label { display: none; }

    .main-content { height: calc(100vh - 60px); }

    .page-inner { padding: 20px 16px; }

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