/* ============================================================
   Marcbantu Africa — Main stylesheet
   Shared design system used across all pages.
   ============================================================ */

:root {
    --green-deep: #1a3c2e;
    --green-mid: #2f5d3a;
    --green-soft: #e8f0e1;
    --gold: #d4a017;
    --gold-bright: #e6b422;
    --gold-soft: #f5e7b2;
    --white: #ffffff;
    --off-white: #f9faf7;
    --text-dark: #1e2a1e;
    --text-muted: #4a5a4a;
    --border-soft: #e2e8dd;
    --red: #c0392b;
    --green-ok: #2e7d32;
    --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 12px 28px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 24px 48px rgba(0, 0, 0, 0.10);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: 'Segoe UI', 'Roboto', system-ui, -apple-system, sans-serif;
    background-color: var(--off-white);
    color: var(--text-dark);
    line-height: 1.6;
    font-size: 16px;
    overflow-x: hidden;
}

/* ============================================================
   LAYOUT
   ============================================================ */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.container-narrow {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 24px;
}

.app-layout {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 250px;
    background: var(--green-deep);
    color: #fff;
    padding: 1.5rem 0;
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    overflow-y: auto;
    z-index: 100;
    transition: transform 0.3s;
}

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

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 0 1.5rem 1.5rem;
    border-bottom: 1px solid #2a4a3a;
    margin-bottom: 1rem;
}

.sidebar-brand i {
    color: var(--gold-bright);
    font-size: 1.6rem;
}

.sidebar-brand span {
    font-weight: 800;
    font-size: 1.2rem;
}

.sidebar-brand span span {
    color: var(--gold-bright);
}

.sidebar-nav a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 0.75rem 1.5rem;
    color: #c8d6ca;
    text-decoration: none;
    font-size: 0.95rem;
    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(230, 180, 34, 0.12);
    color: var(--gold-bright);
    border-left-color: var(--gold-bright);
    font-weight: 600;
}

.sidebar-nav a i {
    width: 20px;
    text-align: center;
}

.sidebar-nav .section-label {
    padding: 1.2rem 1.5rem 0.4rem;
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: #7a8c7c;
    font-weight: 700;
}

.main-content {
    flex: 1;
    margin-left: 250px;
    padding: 1.5rem 2rem 3rem;
}

.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.topbar h1 {
    font-size: 1.7rem;
    color: var(--green-deep);
    font-weight: 800;
}

.menu-toggle-app {
    display: none;
    background: none;
    border: none;
    color: var(--green-deep);
    font-size: 1.5rem;
    cursor: pointer;
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn-primary {
    background-color: var(--gold-bright);
    color: var(--green-deep);
    padding: 12px 22px;
    border-radius: 40px;
    font-weight: 700;
    border: 2px solid var(--gold-bright);
    cursor: pointer;
    font-size: 15px;
    font-family: inherit;
    transition: all 0.2s;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-primary:hover:not(:disabled) {
    background-color: transparent;
    color: var(--gold-bright);
}

.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-outline {
    background: transparent;
    color: var(--green-deep);
    padding: 10px 20px;
    border-radius: 40px;
    font-weight: 700;
    border: 2px solid var(--green-deep);
    cursor: pointer;
    font-size: 14px;
    font-family: inherit;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-outline:hover {
    background: var(--green-deep);
    color: #fff;
}

.btn-icon {
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px 10px;
    color: var(--green-deep);
    font-size: 14px;
    border-radius: 6px;
    transition: all 0.2s;
}

.btn-icon:hover {
    background: var(--green-soft);
}

.page-btn {
    padding: 6px 12px;
    border: 1px solid var(--border-soft);
    background: #fff;
    border-radius: 6px;
    cursor: pointer;
    font-size: 13px;
    font-family: inherit;
    margin: 0 2px;
}

.page-btn.active {
    background: var(--green-deep);
    color: #fff;
    border-color: var(--green-deep);
}

.page-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

/* ============================================================
   CARDS / PANELS
   ============================================================ */
.panel {
    background: #fff;
    border-radius: 18px;
    padding: 1.5rem;
    border: 1px solid var(--border-soft);
    box-shadow: var(--shadow-sm);
    margin-bottom: 1.5rem;
}

.panel-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.2rem;
    flex-wrap: wrap;
    gap: 0.8rem;
}

.panel-head h3 {
    color: var(--green-deep);
    font-size: 1.1rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 10px;
}

.panel-head h3 i {
    color: var(--gold);
}

.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.2rem;
    margin-bottom: 2rem;
}

.kpi {
    background: #fff;
    border-radius: 18px;
    padding: 1.5rem;
    border: 1px solid var(--border-soft);
    border-left: 5px solid var(--gold);
    box-shadow: var(--shadow-sm);
    transition: transform 0.2s;
}

.kpi:hover {
    transform: translateY(-3px);
}

.kpi-label {
    font-size: 0.82rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.kpi-label i {
    color: var(--gold);
    font-size: 1rem;
}

.kpi-value {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--green-deep);
    margin: 0.5rem 0;
    line-height: 1.1;
}

.kpi-change {
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 6px;
}

.kpi-change.up {
    color: var(--green-ok);
}

.kpi-change.down {
    color: var(--red);
}

/* ============================================================
   FORMS
   ============================================================ */
input,
select,
textarea {
    font-family: inherit;
    font-size: 14px;
    color: var(--text-dark);
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--gold-bright) !important;
}

label {
    display: block;
    margin-bottom: 4px;
}

input[type="text"],
input[type="tel"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="date"],
select,
textarea {
    width: 100%;
    padding: 10px;
    border-radius: 10px;
    border: 1.5px solid var(--border-soft);
    background: #fff;
    transition: border-color 0.2s;
}

/* ============================================================
   TABLES
   ============================================================ */
table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.92rem;
}

th {
    text-align: left;
    padding: 0.8rem;
    background: var(--green-soft);
    color: var(--green-deep);
    font-weight: 700;
    font-size: 0.8rem;
    text-transform: uppercase;
    white-space: nowrap;
}

td {
    padding: 0.8rem;
    border-top: 1px solid var(--border-soft);
    color: var(--text-muted);
}

tbody tr:hover {
    background: #fbfcf9;
}

/* ============================================================
   MODALS
   ============================================================ */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal-overlay.open {
    display: flex;
}

.modal {
    background: #fff;
    border-radius: 20px;
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
}

/* ============================================================
   TOAST
   ============================================================ */
#toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 10px;
    pointer-events: none;
    max-width: 360px;
}

/* ============================================================
   FORM ERROR / SUCCESS
   ============================================================ */
.form-error {
    background: #fde8e8;
    color: #c0392b;
    padding: 12px 16px;
    border-radius: 10px;
    margin-bottom: 15px;
    font-size: 14px;
    border-left: 4px solid #c0392b;
}

.form-success {
    background: #e8f0e1;
    color: #2e7d32;
    padding: 12px 16px;
    border-radius: 10px;
    margin-bottom: 15px;
    font-size: 14px;
    border-left: 4px solid #2e7d32;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 900px) {
    .kpi-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    }
}

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }

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

    .main-content {
        margin-left: 0;
        padding: 1rem;
    }

    .menu-toggle-app {
        display: block;
    }

    .topbar h1 {
        font-size: 1.3rem;
    }

    .kpi-value {
        font-size: 1.5rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 18px;
    }

    .btn-primary,
    .btn-outline {
        padding: 10px 18px;
        font-size: 13px;
    }
}