/* ============================================================
   🌿 Organic Minimalist Design System — Sidebar Layout Build
   Client Payment Tracker | Libra Finance Portal
   ============================================================ */

:root {
    --botanical-sage: #8FA79B;
    --botanical-sage-dark: #5C7268;
    --botanical-sage-light: #B4C6BD;
    --oat-warm: #F8F6F2;
    --oat-deep: #EBE6DF;
    --charcoal-soft: #2C3335;
    --growth-green: #3D6B1E;
    --growth-green-bg: #D4E2D4;
    --clay-terracotta: #A84B4B;
    --clay-terracotta-bg: #F8D7DA;
    --warning-text: #5C4300;
    --warning-bg: #FFF3CD;

    --shadow-sm: 0 2px 8px rgba(107, 131, 119, 0.06);
    --shadow-md: 0 8px 24px rgba(107, 131, 119, 0.09);
    --shadow-lg: 0 16px 48px rgba(107, 131, 119, 0.12);
    --shadow-focus: 0 0 0 3px rgba(143, 167, 155, 0.4);

    --radius-sm: 10px;
    --radius-md: 20px;

    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

    /* Sidebar Dimensions */
    --sidebar-w: 240px;
    --sidebar-w-collapsed: 66px;
    --topbar-h: 60px;
    --transition: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── Reset ──────────────────────────────────────────────────── */
*,
*::before,
*::after {
    box-sizing: border-box;
}

html,
body {
    height: 100%;
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--oat-warm);
    color: var(--charcoal-soft);
    font-family: var(--font-sans);
    line-height: 1.6;
    /* No padding-top — layout is sidebar-based */
}

h1,
h2,
h3,
h4,
h5,
h6 {
    color: var(--botanical-sage-dark);
    font-weight: 700;
    margin-top: 0;
}

.text-gradient {
    background: linear-gradient(135deg, var(--botanical-sage-dark), var(--botanical-sage));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* ══════════════════════════════════════════════════════════════
   SIDEBAR
   ══════════════════════════════════════════════════════════════ */
.app-sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: var(--sidebar-w);
    background: white;
    border-right: 1px solid rgba(143, 167, 155, 0.15);
    box-shadow: var(--shadow-md);
    display: flex;
    flex-direction: column;
    z-index: 1040;
    overflow: hidden;
    transition: width var(--transition);
}

/* Collapsed state — icons only */
.app-sidebar.collapsed {
    width: var(--sidebar-w-collapsed);
}

/* ─── Sidebar Header ────────────────────────────────────────── */
.sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1rem;
    height: var(--topbar-h);
    border-bottom: 1px solid rgba(143, 167, 155, 0.12);
    flex-shrink: 0;
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    text-decoration: none;
    overflow: hidden;
    white-space: nowrap;
    min-width: 0;
}

.sidebar-brand-icon {
    font-size: 1.3rem;
    color: var(--botanical-sage-dark);
    flex-shrink: 0;
}

.sidebar-brand-text {
    font-size: 1rem;
    font-weight: 700;
    color: var(--botanical-sage-dark);
    transition: opacity var(--transition), width var(--transition);
    white-space: nowrap;
    overflow: hidden;
}

.app-sidebar.collapsed .sidebar-brand-text {
    opacity: 0;
    width: 0;
}

.sidebar-toggle {
    background: none;
    border: none;
    padding: 0.4rem;
    border-radius: 8px;
    color: #9AA5AB;
    cursor: pointer;
    font-size: 1.15rem;
    transition: background 0.2s, color 0.2s;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.sidebar-toggle:hover {
    background: rgba(143, 167, 155, 0.1);
    color: var(--botanical-sage-dark);
}

/* ─── Sidebar Nav ───────────────────────────────────────────── */
.sidebar-nav {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 0.75rem 0.65rem;
    display: flex;
    flex-direction: column;
    gap: 0.1rem;
    scrollbar-width: thin;
    scrollbar-color: rgba(143, 167, 155, 0.2) transparent;
}

.sidebar-nav::-webkit-scrollbar {
    width: 4px;
}

.sidebar-nav::-webkit-scrollbar-thumb {
    background: rgba(143, 167, 155, 0.25);
    border-radius: 4px;
}

/* Group labels */
.sidebar-group {
    margin-top: 0.5rem;
}

.sidebar-group-label {
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #9AA5AB;
    padding: 0.5rem 0.75rem 0.3rem;
    white-space: nowrap;
    overflow: hidden;
    transition: opacity var(--transition);
}

.app-sidebar.collapsed .sidebar-group-label {
    opacity: 0;
}

/* Nav Link */
.sidebar-link {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    padding: 0.55rem 0.75rem;
    border-radius: var(--radius-sm);
    text-decoration: none;
    color: #4A5568;
    font-size: 0.875rem;
    font-weight: 500;
    white-space: nowrap;
    transition: background 0.2s ease, color 0.2s ease;
    overflow: hidden;
}

.sidebar-link i {
    font-size: 1.1rem;
    flex-shrink: 0;
    color: var(--botanical-sage);
    transition: color 0.2s;
}

.sidebar-link:hover {
    background: rgba(143, 167, 155, 0.1);
    color: var(--botanical-sage-dark);
}

.sidebar-link:hover i {
    color: var(--botanical-sage-dark);
}

.sidebar-link.active {
    background: rgba(92, 114, 104, 0.12);
    color: var(--botanical-sage-dark);
    font-weight: 600;
}

.sidebar-link.active i {
    color: var(--botanical-sage-dark);
}

.sidebar-label {
    overflow: hidden;
    white-space: nowrap;
    transition: opacity var(--transition), width var(--transition);
}

.app-sidebar.collapsed .sidebar-label {
    opacity: 0;
    width: 0;
}

/* Tooltip when collapsed (hover label) */
.app-sidebar.collapsed .sidebar-link {
    justify-content: center;
    position: relative;
}

.app-sidebar.collapsed .sidebar-link::after {
    content: attr(data-tooltip);
    position: absolute;
    left: calc(var(--sidebar-w-collapsed) + 10px);
    top: 50%;
    transform: translateY(-50%);
    background: var(--charcoal-soft);
    color: white;
    padding: 0.3rem 0.75rem;
    border-radius: 8px;
    font-size: 0.8rem;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    z-index: 9999;
    box-shadow: var(--shadow-md);
    transition: opacity 0.2s;
}

.app-sidebar.collapsed .sidebar-link:hover::after {
    opacity: 1;
}

/* ─── Sidebar Footer / User ─────────────────────────────────── */
.sidebar-footer {
    padding: 0.75rem 0.65rem;
    border-top: 1px solid rgba(143, 167, 155, 0.12);
    flex-shrink: 0;
}

.sidebar-user {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.5rem;
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.sidebar-user-avatar {
    font-size: 1.6rem;
    color: var(--botanical-sage);
    flex-shrink: 0;
    display: flex;
    align-items: center;
}

.sidebar-user-info {
    flex: 1;
    min-width: 0;
    overflow: hidden;
    transition: opacity var(--transition), width var(--transition);
}

.app-sidebar.collapsed .sidebar-user-info,
.app-sidebar.collapsed .sidebar-user-actions {
    opacity: 0;
    width: 0;
    pointer-events: none;
}

.app-sidebar.collapsed .sidebar-user {
    justify-content: center;
}

.sidebar-user-name {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--botanical-sage-dark);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sidebar-user-role {
    font-size: 0.72rem;
    color: #9AA5AB;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.sidebar-user-actions {
    display: flex;
    gap: 0.4rem;
    flex-shrink: 0;
    transition: opacity var(--transition);
}

.sidebar-user-actions a {
    color: #9AA5AB;
    font-size: 1.1rem;
    padding: 0.3rem;
    border-radius: 6px;
    transition: color 0.2s, background 0.2s;
    display: flex;
    align-items: center;
}

.sidebar-user-actions a:hover {
    background: rgba(143, 167, 155, 0.12);
    color: var(--botanical-sage-dark);
}

.sidebar-user-actions a.text-danger:hover {
    color: var(--clay-terracotta) !important;
    background: var(--clay-terracotta-bg);
}

/* ══════════════════════════════════════════════════════════════
   MAIN AREA
   ══════════════════════════════════════════════════════════════ */
.app-main {
    margin-left: var(--sidebar-w);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    transition: margin-left var(--transition);
}

.app-main.sidebar-collapsed {
    margin-left: var(--sidebar-w-collapsed);
}

/* ─── Top Bar ───────────────────────────────────────────────── */
.app-topbar {
    height: var(--topbar-h);
    background: white;
    border-bottom: 1px solid rgba(143, 167, 155, 0.12);
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
    padding: 0 1.75rem;
    gap: 1rem;
    position: sticky;
    top: 0;
    z-index: 100;
    flex-shrink: 0;
}

.topbar-toggle {
    background: none;
    border: none;
    font-size: 1.3rem;
    color: #9AA5AB;
    cursor: pointer;
    padding: 0.3rem;
    border-radius: 8px;
    transition: background 0.2s, color 0.2s;
}

.topbar-toggle:hover {
    background: rgba(143, 167, 155, 0.1);
    color: var(--botanical-sage-dark);
}

.topbar-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--botanical-sage-dark);
    flex: 1;
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.topbar-user {
    font-size: 0.875rem;
    color: #626B6E;
    display: flex;
    align-items: center;
}

/* ─── Page Content ──────────────────────────────────────────── */
.app-content {
    flex: 1;
    padding: 2rem 2rem;
}

/* ─── Footer ────────────────────────────────────────────────── */
.app-footer {
    padding: 1rem 2rem;
    border-top: 1px solid rgba(143, 167, 155, 0.12);
    background: white;
    font-size: 0.8rem;
    color: #9AA5AB;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-shrink: 0;
}

.app-footer a {
    color: var(--botanical-sage-dark);
}

/* ── Sidebar Overlay (mobile) ──────────────────────────────── */
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.35);
    z-index: 1039;
    transition: opacity 0.3s;
}

.sidebar-overlay.visible {
    display: block;
}

/* ══════════════════════════════════════════════════════════════
   CARDS
   ══════════════════════════════════════════════════════════════ */
.card {
    background: white;
    border: 1px solid rgba(143, 167, 155, 0.15) !important;
    border-radius: var(--radius-md) !important;
    box-shadow: var(--shadow-sm);
    margin-bottom: 2rem;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.card-header {
    background: transparent !important;
    border-bottom: 1px solid rgba(143, 167, 155, 0.12) !important;
    padding: 1.25rem 1.5rem !important;
}

.card-header h5,
.card-header h4 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--botanical-sage-dark);
    margin: 0;
}

.card-body {
    padding: 1.5rem;
}

/* ══════════════════════════════════════════════════════════════
   STATS CARDS
   ══════════════════════════════════════════════════════════════ */
.stats-card {
    padding: 1.5rem;
    border-radius: var(--radius-md);
    border: none;
    position: relative;
    overflow: hidden;
    transition: transform 0.3s ease;
}

.stats-card:hover {
    transform: translateY(-2px);
}

.stats-title {
    font-size: 0.68rem;
    letter-spacing: 0.07em;
    font-weight: 700;
    text-transform: uppercase;
}

.stats-value {
    font-size: 1.9rem;
    font-weight: 800;
    line-height: 1.1;
}

.stats-primary {
    background-color: #E0ECE7;
    color: var(--botanical-sage-dark);
}

.stats-success {
    background-color: var(--growth-green-bg);
    color: var(--growth-green);
}

.stats-danger {
    background-color: var(--clay-terracotta-bg);
    color: var(--clay-terracotta);
}

.stats-warning {
    background-color: var(--warning-bg);
    color: var(--warning-text);
}

/* ══════════════════════════════════════════════════════════════
   BUTTONS
   ══════════════════════════════════════════════════════════════ */
.btn {
    border-radius: 12px !important;
    padding: 0.55rem 1.3rem !important;
    font-weight: 600 !important;
    font-size: 0.875rem !important;
    transition: all 0.25s ease !important;
    display: inline-flex !important;
    align-items: center !important;
    gap: 0.4rem !important;
    white-space: nowrap;
}

.btn-primary {
    background-color: var(--botanical-sage) !important;
    border-color: var(--botanical-sage) !important;
    color: white !important;
}

.btn-primary:hover {
    background-color: var(--botanical-sage-dark) !important;
    border-color: var(--botanical-sage-dark) !important;
    box-shadow: 0 4px 12px rgba(143, 167, 155, 0.35) !important;
    transform: translateY(-1px);
}

.btn-outline-primary {
    color: var(--botanical-sage-dark) !important;
    border-color: var(--botanical-sage) !important;
    background-color: transparent !important;
}

.btn-outline-primary:hover {
    background-color: var(--botanical-sage-light) !important;
    color: var(--botanical-sage-dark) !important;
}

.btn-sm {
    padding: 0.35rem 0.75rem !important;
    font-size: 0.78rem !important;
    border-radius: 8px !important;
}

/* ══════════════════════════════════════════════════════════════
   FORM CONTROLS
   ══════════════════════════════════════════════════════════════ */
.form-control,
.form-select {
    border: 2px solid rgba(143, 167, 155, 0.25) !important;
    border-radius: 12px !important;
    padding: 0.6rem 1rem !important;
    font-size: 0.9rem;
    color: var(--charcoal-soft);
    transition: border-color 0.25s ease, box-shadow 0.25s ease !important;
}

.form-control:focus,
.form-select:focus {
    border-color: var(--botanical-sage) !important;
    box-shadow: var(--shadow-focus) !important;
    outline: none;
}

/* ══════════════════════════════════════════════════════════════
   TABLES
   ══════════════════════════════════════════════════════════════ */
.table thead th {
    background-color: var(--oat-warm) !important;
    border-bottom: 2px solid rgba(143, 167, 155, 0.12) !important;
    color: #626B6E;
    font-weight: 700;
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 0.9rem 1rem !important;
}

.table tbody tr {
    transition: background-color 0.2s ease;
}

.table tbody tr:hover {
    background-color: var(--oat-warm);
}

.table td {
    padding: 0.9rem 1rem;
    vertical-align: middle;
    border-color: rgba(143, 167, 155, 0.08) !important;
}

/* ══════════════════════════════════════════════════════════════
   BADGES
   ══════════════════════════════════════════════════════════════ */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.28rem 0.75rem !important;
    border-radius: 9999px !important;
    font-size: 0.72rem !important;
    font-weight: 600 !important;
}

.status-paid {
    background-color: var(--growth-green-bg) !important;
    color: var(--growth-green) !important;
}

.status-partial {
    background-color: var(--warning-bg) !important;
    color: var(--warning-text) !important;
}

.status-unpaid {
    background-color: var(--clay-terracotta-bg) !important;
    color: var(--clay-terracotta) !important;
}

/* ══════════════════════════════════════════════════════════════
   ALERTS & PROGRESS
   ══════════════════════════════════════════════════════════════ */
.alert {
    border-radius: 12px !important;
    border: none !important;
    font-size: 0.875rem;
}

.alert-success {
    background-color: var(--growth-green-bg);
    color: var(--growth-green);
}

.alert-warning {
    background-color: var(--warning-bg);
    color: var(--warning-text);
}

.alert-danger {
    background-color: var(--clay-terracotta-bg);
    color: var(--clay-terracotta);
}

.alert-info {
    background-color: #E0ECE7;
    color: var(--botanical-sage-dark);
}

.progress {
    border-radius: 9999px;
    background-color: var(--oat-deep);
    height: 10px;
}

.progress-bar {
    background-color: var(--botanical-sage);
    border-radius: 9999px;
}

/* ══════════════════════════════════════════════════════════════
   ACCORDION
   ══════════════════════════════════════════════════════════════ */
.accordion-item {
    border-radius: 12px !important;
    border: 1px solid rgba(143, 167, 155, 0.15) !important;
    overflow: hidden;
}

.accordion-button {
    background-color: white !important;
    color: var(--charcoal-soft) !important;
    font-weight: 600;
    box-shadow: none !important;
}

.accordion-button:not(.collapsed) {
    background-color: rgba(143, 167, 155, 0.06) !important;
    color: var(--botanical-sage-dark) !important;
}

.accordion-button:focus {
    box-shadow: var(--shadow-focus) !important;
}

/* ══════════════════════════════════════════════════════════════
   DATEPICKER
   ══════════════════════════════════════════════════════════════ */
.ui-datepicker {
    background: white !important;
    border: 1px solid rgba(143, 167, 155, 0.2) !important;
    border-radius: var(--radius-md) !important;
    box-shadow: var(--shadow-md) !important;
    font-family: var(--font-sans) !important;
    font-size: 13px !important;
    padding: 1rem !important;
    z-index: 9999 !important;
}

.ui-datepicker-header {
    background: var(--oat-warm) !important;
    border: none !important;
    border-radius: 12px 12px 0 0 !important;
    padding: 0.75rem !important;
    margin: -1rem -1rem 1rem -1rem !important;
}

.ui-datepicker-title {
    color: var(--botanical-sage-dark) !important;
    font-weight: 700 !important;
    text-align: center !important;
}

.ui-datepicker-prev,
.ui-datepicker-next {
    background: var(--botanical-sage) !important;
    border: none !important;
    border-radius: 8px !important;
    color: white !important;
    cursor: pointer !important;
    font-weight: bold !important;
    padding: 0.4rem 0.6rem !important;
}

.ui-datepicker-prev:hover,
.ui-datepicker-next:hover {
    background: var(--botanical-sage-dark) !important;
}

.ui-datepicker-calendar {
    border-collapse: collapse !important;
    width: 100% !important;
}

.ui-datepicker-calendar th {
    background: var(--oat-warm) !important;
    border: 1px solid rgba(143, 167, 155, 0.1) !important;
    color: #626B6E !important;
    font-weight: 600 !important;
    padding: 0.6rem !important;
    text-align: center !important;
}

.ui-datepicker-calendar td {
    border: 1px solid rgba(143, 167, 155, 0.08) !important;
    padding: 0 !important;
}

.ui-datepicker-calendar td a {
    background: white !important;
    border: none !important;
    color: var(--charcoal-soft) !important;
    display: block !important;
    padding: 0.6rem !important;
    text-align: center !important;
    text-decoration: none !important;
}

.ui-datepicker-calendar td a:hover {
    background: var(--oat-warm) !important;
}

.ui-datepicker-calendar .ui-state-active {
    background: var(--botanical-sage) !important;
    color: white !important;
    border-radius: 6px;
}

.ui-datepicker-calendar .ui-state-highlight {
    background: var(--warning-bg) !important;
    color: var(--warning-text) !important;
}

/* ══════════════════════════════════════════════════════════════
   RESPONSIVE — MOBILE SIDEBAR
   ══════════════════════════════════════════════════════════════ */
@media (max-width: 991px) {
    .app-sidebar {
        transform: translateX(-100%);
        transition: transform var(--transition), width var(--transition);
        width: var(--sidebar-w) !important;
    }

    .app-sidebar.mobile-open {
        transform: translateX(0);
    }

    .app-main {
        margin-left: 0 !important;
    }

    .app-topbar {
        padding: 0 1rem;
    }

    .app-content {
        padding: 1.5rem 1rem;
    }
}

@media (max-width: 576px) {
    .stats-value {
        font-size: 1.5rem;
    }

    .app-footer {
        flex-direction: column;
        gap: 0.25rem;
        text-align: center;
    }
}