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

:root {
    --green-light: #4ADE80;
    --green-deep: #059669;
    --green-bg: #ecfdf5;
    --orange-dark: #EA580C;
    --orange-light: #F97316;
    --orange-bg: #fff7ed;
    --bg: #f8fafc;
    --card: #ffffff;
    --text: #1e293b;
    --text-muted: #64748b;
    --border: #e2e8f0;
    --radius: 12px;
    --radius-sm: 8px;
    --shadow: 0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
    --shadow-lg: 0 10px 25px rgba(0,0,0,.08), 0 4px 10px rgba(0,0,0,.04);
    --sidebar-w: 260px;
    --topbar-h: 64px;
    --transition: .2s ease;
}

html { font-size: 16px; }
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
    min-height: 100vh;
    overflow-x: hidden;
}

.hidden { display: none !important; }

/* ===== AUTH PAGES ===== */
.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    background: linear-gradient(135deg, var(--green-bg) 0%, #fff 50%, var(--orange-bg) 100%);
}

.auth-card {
    background: var(--card);
    border-radius: 20px;
    padding: 48px 40px;
    width: 100%;
    max-width: 440px;
    box-shadow: var(--shadow-lg);
    text-align: center;
}

.auth-logo {
    width: 90px;
    height: auto;
    margin-bottom: 12px;
    border-radius: 12px;
}

.brand-title {
    font-size: 2rem;
    font-weight: 800;
    color: var(--green-deep);
    margin-bottom: 2px;
}
.brand-orange { color: var(--orange-dark); }

.brand-tagline {
    font-size: .95rem;
    color: var(--text-muted);
    margin-bottom: 32px;
    font-weight: 500;
}

/* ===== FORMS ===== */
.auth-form { text-align: left; }

.field { margin-bottom: 18px; }
.field label {
    display: block;
    font-size: .82rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: .03em;
}

.field input {
    width: 100%;
    padding: 12px 16px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: .95rem;
    font-family: inherit;
    transition: border-color var(--transition), box-shadow var(--transition);
    background: #fff;
}

.field input:focus {
    outline: none;
    border-color: var(--green-deep);
    box-shadow: 0 0 0 3px rgba(5,150,105,.12);
}

.field-note {
    display: block;
    font-size: .78rem;
    color: var(--text-muted);
    margin-top: 4px;
    font-style: italic;
}

.form-error {
    background: #fef2f2;
    color: #dc2626;
    font-size: .85rem;
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    margin-bottom: 14px;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border: none;
    border-radius: var(--radius-sm);
    font-size: .95rem;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: all var(--transition);
    width: 100%;
}

.btn-green {
    background: linear-gradient(135deg, var(--green-deep), #047857);
    color: #fff;
}
.btn-green:hover { background: linear-gradient(135deg, #047857, #065f46); transform: translateY(-1px); box-shadow: 0 4px 12px rgba(5,150,105,.3); }

.btn-orange {
    background: linear-gradient(135deg, var(--orange-light), var(--orange-dark));
    color: #fff;
}
.btn-orange:hover { background: linear-gradient(135deg, var(--orange-dark), #c2410c); transform: translateY(-1px); box-shadow: 0 4px 12px rgba(234,88,12,.3); }

.btn-sm { padding: 8px 16px; font-size: .82rem; width: auto; }
.btn-outline {
    background: transparent;
    border: 1.5px solid var(--border);
    color: var(--text-muted);
}
.btn-outline:hover { border-color: #dc2626; color: #dc2626; background: #fef2f2; }

.auth-switch {
    margin-top: 24px;
    font-size: .88rem;
    color: var(--text-muted);
}
.auth-switch a {
    color: var(--green-deep);
    font-weight: 600;
    text-decoration: none;
}
.auth-switch a:hover { text-decoration: underline; }

/* ===== DASHBOARD LAYOUT ===== */
.dash-layout {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-w);
    background: #fff;
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 100;
    transition: transform .3s ease;
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
}

.sidebar-logo {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    object-fit: cover;
}

.sidebar-title {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--green-deep);
}

.sidebar-nav {
    padding: 16px 12px;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    text-decoration: none;
    color: var(--text-muted);
    font-weight: 500;
    font-size: .92rem;
    transition: all var(--transition);
}

.nav-item:hover { background: var(--green-bg); color: var(--green-deep); }
.nav-item.active { background: var(--green-bg); color: var(--green-deep); font-weight: 600; }

/* Main area */
.dash-main {
    flex: 1;
    margin-left: var(--sidebar-w);
    display: flex;
    flex-direction: column;
}

/* Topbar */
.topbar {
    height: var(--topbar-h);
    background: #fff;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    padding: 0 28px;
    position: sticky;
    top: 0;
    z-index: 50;
}

.topbar-spacer { flex: 1; }

.topbar-user {
    display: flex;
    align-items: center;
    gap: 16px;
}

.user-name {
    font-weight: 600;
    font-size: .92rem;
    color: var(--text);
}

.hamburger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text);
    padding: 4px;
}

/* Views */
.view {
    padding: 32px 28px;
    max-width: 820px;
}

.view-title {
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.view-subtitle {
    color: var(--text-muted);
    margin-bottom: 32px;
    font-size: .95rem;
}

/* ===== ACTION CARDS ===== */
.action-cards {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.action-card {
    background: var(--card);
    border: 1.5px solid var(--border);
    border-radius: var(--radius);
    padding: 24px 28px;
    display: flex;
    align-items: center;
    gap: 20px;
    cursor: pointer;
    transition: all var(--transition);
}

.action-card:hover {
    border-color: var(--green-deep);
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.card-icon {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.card-icon-green { background: var(--green-bg); color: var(--green-deep); }
.card-icon-orange { background: var(--orange-bg); color: var(--orange-dark); }

.card-text { flex: 1; }
.card-text h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 4px; }
.card-text p { font-size: .88rem; color: var(--text-muted); }

.card-arrow { color: var(--text-muted); flex-shrink: 0; }

/* ===== ACCOUNT VIEW ===== */
.reload-card {
    background: linear-gradient(135deg, var(--green-deep), #047857);
    color: #fff;
    border-radius: var(--radius);
    padding: 28px;
    margin-bottom: 28px;
}

.reload-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
}

.reload-header h3 { font-size: 1.1rem; font-weight: 700; }

.reload-details { display: flex; flex-direction: column; gap: 12px; }
.reload-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
    border-bottom: 1px solid rgba(255,255,255,.15);
}
.reload-row:last-child { border-bottom: none; }
.reload-label { font-size: .85rem; opacity: .8; }
.reload-value { font-size: .95rem; font-weight: 600; }

.copyable { cursor: pointer; position: relative; }
.copyable:hover::after {
    content: 'Click to copy';
    position: absolute;
    bottom: -24px;
    right: 0;
    font-size: .72rem;
    background: rgba(0,0,0,.7);
    padding: 3px 8px;
    border-radius: 4px;
    white-space: nowrap;
}

.chart-card {
    background: var(--card);
    border: 1.5px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
}

.chart-title {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.chart-wrapper {
    position: relative;
    height: 280px;
}

/* ===== MODAL ===== */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.45);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    backdrop-filter: blur(4px);
}

.modal {
    background: #fff;
    border-radius: 20px;
    padding: 40px;
    max-width: 380px;
    width: 90%;
    text-align: center;
    box-shadow: 0 20px 60px rgba(0,0,0,.15);
    animation: modalIn .25s ease;
}

@keyframes modalIn {
    from { opacity: 0; transform: scale(.9) translateY(20px); }
    to { opacity: 1; transform: scale(1) translateY(0); }
}

.modal-icon { font-size: 3rem; margin-bottom: 12px; }
.modal h3 { font-size: 1.3rem; font-weight: 700; margin-bottom: 8px; }
.modal p { color: var(--text-muted); margin-bottom: 24px; font-size: .92rem; }
.modal .btn { max-width: 200px; margin: 0 auto; }

/* ===== TOAST ===== */
.toast {
    position: fixed;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    background: #1e293b;
    color: #fff;
    padding: 12px 24px;
    border-radius: 10px;
    font-size: .88rem;
    font-weight: 500;
    z-index: 2000;
    animation: toastIn .3s ease;
}

@keyframes toastIn {
    from { opacity: 0; transform: translateX(-50%) translateY(20px); }
    to { opacity: 1; transform: translateX(-50%) translateY(0); }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }
    .sidebar.open {
        transform: translateX(0);
        box-shadow: 4px 0 20px rgba(0,0,0,.1);
    }

    .dash-main { margin-left: 0; }
    .hamburger { display: block; }

    .auth-card { padding: 36px 24px; }
    .view { padding: 24px 16px; }

    .action-card { padding: 18px 16px; gap: 14px; }
    .card-icon { width: 52px; height: 52px; border-radius: 12px; }
    .card-icon svg { width: 28px; height: 28px; }

    .reload-card { padding: 20px; }
    .chart-wrapper { height: 220px; }
}

@media (max-width: 480px) {
    .auth-logo { width: 70px; }
    .brand-title { font-size: 1.6rem; }
    .view-title { font-size: 1.3rem; }
}

/* ===== VERIFY PAGE ===== */
.btn-resend {
    background: none;
    border: none;
    color: var(--green-deep);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    padding: 6px 0;
    text-decoration: underline;
    font-family: 'Inter', sans-serif;
    transition: color 0.2s;
}
.btn-resend:hover {
    color: var(--orange-dark);
}

/* ===== CONGRATS PAGE ===== */
.congrats-card {
    text-align: center;
    padding: 3rem 2rem;
}
.congrats-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}
.congrats-text {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text);
    margin: 0.5rem 0;
}
.congrats-subtext {
    font-size: 0.95rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
}

/* ===== ACCOUNT TOP ROW (side by side) ===== */
.account-top-row {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
    align-items: stretch;
}
.account-top-row .reload-card-compact {
    flex: 1;
    padding: 1.25rem 1.5rem;
    font-size: 0.9rem;
}
.account-top-row .reload-card-compact h3 {
    font-size: 1rem;
}
.balance-card {
    flex: 1;
    background: linear-gradient(135deg, var(--orange-dark), var(--orange-light));
    color: #fff;
    border-radius: var(--radius);
    padding: 2rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    box-shadow: var(--shadow-lg);
}
.balance-label {
    font-size: 0.95rem;
    font-weight: 500;
    opacity: 0.9;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.balance-amount {
    font-size: 2.75rem;
    font-weight: 800;
    letter-spacing: -0.02em;
}

/* ===== CHART CARD ORANGE TINT ===== */
.chart-card-orange {
    border: 1px solid var(--orange-light);
    background: var(--orange-bg);
}
.chart-card-orange .chart-wrapper {
    background: #fff;
    border-radius: var(--radius-sm);
    padding: 1rem;
}

/* ===== CHART HEADER WITH TOGGLE ===== */
.chart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}
.chart-toggle {
    display: flex;
    background: #fff;
    border-radius: var(--radius-sm);
    overflow: hidden;
    border: 1px solid var(--border);
}
.toggle-btn {
    padding: 0.4rem 1.2rem;
    border: none;
    background: transparent;
    font-family: 'Inter', sans-serif;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    color: var(--text-muted);
    transition: all 0.2s;
}
.toggle-btn.active {
    background: var(--orange-dark);
    color: #fff;
}
.toggle-btn:hover:not(.active) {
    background: var(--orange-bg);
}

/* ===== RESPONSIVE: stack on mobile ===== */
@media (max-width: 640px) {
    .account-top-row {
        flex-direction: column;
    }
    .balance-amount {
        font-size: 2rem;
    }
}