/* ========== EDO WiFi — Design System ========== */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700&display=swap');

:root {
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --primary-light: #dbeafe;
    --secondary: #0ea5e9;
    --success: #22c55e;
    --success-bg: #d1fae5;
    --success-text: #065f46;
    --danger: #ef4444;
    --danger-hover: #dc2626;
    --danger-bg: #fee2e2;
    --danger-text: #991b1b;
    --warning: #d97706;
    --warning-bg: #fef3c7;
    --muted: #64748b;
    --muted-bg: #f1f5f9;
    --text: #1e293b;
    --text-muted: #64748b;
    --border: #e2e8f0;
    --bg-page: #f8fafc;
    --bg-card: #ffffff;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -2px rgba(0,0,0,0.05);
    --shadow-lg: 0 10px 30px rgba(0,0,0,0.08), 0 4px 12px rgba(0,0,0,0.04);
    --radius: 10px;
    --radius-lg: 16px;
    --focus-ring: 0 0 0 3px rgba(37, 99, 235, 0.35);
    --transition: 0.2s ease;

    /* Landing page extras */
    --card-bg: var(--bg-card);
    --table-border: var(--border);
    --gold: #fef9c3;
    --silver: #f1f5f9;
    --bronze: #ffedd5;
}

/* ---------- Base ---------- */
body {
    font-family: 'Poppins', sans-serif;
    background: linear-gradient(180deg, var(--bg-page) 0%, #f1f5f9 100%);
    color: var(--text);
    margin: 0;
    padding: 24px 16px;
    min-height: 100vh;
    line-height: 1.5;
}

.container {
    background-color: var(--bg-card);
    padding: 24px 28px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 750px;
    margin: auto;
    border: 1px solid var(--border);
    animation: pageIn 0.35s ease;
}

@keyframes pageIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

.manage-container { max-width: 900px; }

h1 { color: var(--text); margin: 0; font-size: 1.5rem; font-weight: 700; }
h2 { text-align: center; color: var(--text); margin-top: 28px; margin-bottom: 20px; font-weight: 600; font-size: 1.25rem; }
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border);
    flex-wrap: wrap;
    gap: 15px;
}
.header-controls { display: flex; align-items: center; gap: 15px; }

/* ---------- Forms: focus & transitions ---------- */
input[type="text"],
input[type="password"],
input[type="number"],
input[type="search"] {
    transition: border-color var(--transition), box-shadow var(--transition);
}
input:focus,
button:focus,
a:focus-visible,
.btn:focus-visible {
    outline: none;
    box-shadow: var(--focus-ring);
}

/* ---------- Login form (admin) ---------- */
.login-form { display: flex; gap: 8px; align-items: center; }
.login-form input[type="text"] {
    padding: 10px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 14px;
    font-family: inherit;
}
.login-form input[type="text"]:focus { border-color: var(--primary); }
.login-form button {
    padding: 10px 18px;
    border-radius: var(--radius);
    background-color: var(--primary);
    color: white;
    border: none;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    transition: background-color var(--transition), transform var(--transition), box-shadow var(--transition);
}
.login-form button:hover { background-color: var(--primary-hover); transform: translateY(-1px); box-shadow: var(--shadow); }

.welcome-message { display: flex; align-items: center; gap: 15px; font-size: 15px; }
.logout-btn {
    text-decoration: none;
    background-color: var(--danger);
    color: white;
    padding: 8px 16px;
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 600;
    transition: background-color var(--transition), transform var(--transition);
}
.logout-btn:hover { background-color: var(--danger-hover); transform: translateY(-1px); }

/* ---------- Alerts (with icon placeholder) ---------- */
.error { color: var(--danger); font-size: 14px; text-align: center; margin-bottom: 15px; font-weight: 600; }
.alert-success {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background-color: var(--success-bg);
    color: var(--success-text);
    padding: 12px 16px;
    border-radius: var(--radius);
    margin: 12px 0 20px 0;
    font-size: 0.95em;
    font-weight: 500;
    text-align: center;
    border-left: 4px solid var(--success);
    animation: alertIn 0.3s ease;
}
.alert-success .alert-icon { font-size: 1.2em; }
.alert-error {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background-color: var(--danger-bg);
    color: var(--danger-text);
    padding: 12px 16px;
    border-radius: var(--radius);
    margin: 12px 0 20px 0;
    font-size: 0.95em;
    font-weight: 500;
    text-align: center;
    border-left: 4px solid var(--danger);
    animation: alertIn 0.3s ease;
}
@keyframes alertIn {
    from { opacity: 0; transform: translateY(-6px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ---------- Tables ---------- */
table { width: 100%; border-collapse: collapse; text-align: left; }
th, td { padding: 14px 16px; vertical-align: middle; border-bottom: 1px solid var(--border); }
thead th {
    background-color: var(--muted-bg);
    font-weight: 600;
    color: var(--text-muted);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    border-top: 1px solid var(--border);
}
tbody tr:nth-child(even) { background-color: #fafbfc; }
tbody tr:hover { background-color: var(--muted-bg); transition: background-color var(--transition); }
tbody tr:last-child td { border-bottom: none; }

.nama-pelanggan { font-weight: 500; color: var(--text); font-size: 15px; cursor: pointer; transition: color var(--transition); }
.nama-pelanggan:hover { color: var(--primary); font-weight: 600; }
td.status-cell { text-align: center; }

/* ---------- Status buttons (manage) ---------- */
.status {
    padding: 10px 16px;
    border: none;
    border-radius: var(--radius);
    color: white;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    width: 100%;
    max-width: 300px;
    transition: all var(--transition);
    line-height: 1.5;
    box-shadow: var(--shadow-sm);
}
.status small { font-weight: 400; font-size: 12px; display: block; margin-top: 4px; }
.status.suspended {
    background-color: #334155 !important;
    color: white !important;
    opacity: 1 !important;
    cursor: default;
}
.belum-lunas { background-color: var(--danger); }
.belum-lunas:hover:not([disabled]) { background-color: var(--danger-hover); transform: translateY(-2px); box-shadow: var(--shadow); }
.belum-lunas[disabled] { background-color: #fca5a5; cursor: not-allowed; opacity: 0.85; }
.lunas { background-color: var(--success); cursor: default; }

/* ---------- Modal ---------- */
.modal { display: none; position: fixed; z-index: 1000; left: 0; top: 0; width: 100%; height: 100%; overflow: auto; background-color: rgba(0,0,0,0.5); backdrop-filter: blur(2px); }
.modal-content {
    background-color: var(--bg-card);
    margin: 10% auto;
    padding: 28px;
    border: 1px solid var(--border);
    width: 90%;
    max-width: 560px;
    border-radius: var(--radius-lg);
    position: relative;
    box-shadow: var(--shadow-lg);
    animation: modalIn 0.3s ease;
}
@keyframes modalIn {
    from { opacity: 0; transform: translateY(-16px) scale(0.98); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}
.close-button { color: var(--text-muted); position: absolute; top: 12px; right: 16px; font-size: 24px; font-weight: bold; cursor: pointer; transition: color var(--transition); }
.close-button:hover, .close-button:focus { color: var(--text); }
.modal-content h3 { margin-top: 0; color: var(--text); border-bottom: 1px solid var(--border); padding-bottom: 12px; }

/* ---------- History table (customer) ---------- */
.history-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 16px;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
}
.history-table th,
.history-table td {
    padding: 12px 14px;
    text-align: left;
    font-size: 0.9rem;
    border-bottom: 1px solid var(--border);
}
.history-table th {
    background-color: var(--muted-bg);
    font-weight: 600;
    color: var(--text-muted);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}
.history-table tbody tr:hover { background-color: var(--muted-bg); }
.history-table tbody tr:last-child td { border-bottom: none; }

/* ---------- Manage / Dashboard ---------- */
.dashboard { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 20px; margin-bottom: 28px; }
.stat-card {
    background: linear-gradient(135deg, var(--muted-bg) 0%, #fff 100%);
    padding: 20px;
    border-radius: var(--radius);
    text-align: center;
    border: 1px solid var(--border);
    transition: box-shadow var(--transition), transform var(--transition);
}
.stat-card:hover { box-shadow: var(--shadow); transform: translateY(-2px); }
.stat-card h3 { margin: 0 0 8px 0; font-size: 0.9rem; color: var(--text-muted); font-weight: 600; }
.stat-card p { margin: 0; font-size: 1.5rem; font-weight: 700; color: var(--primary); }
.main-content { margin-top: 28px; }
.manage-form {
    background-color: var(--muted-bg);
    padding: 20px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    display: flex;
    gap: 15px;
    align-items: flex-end;
    flex-wrap: wrap;
}
.form-group { flex-grow: 1; min-width: 200px; }
.form-group label { display: block; margin-bottom: 6px; font-weight: 600; font-size: 0.9rem; color: var(--text); }
.form-group input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-sizing: border-box;
    font-family: inherit;
    transition: border-color var(--transition), box-shadow var(--transition);
}
.form-group input:focus { border-color: var(--primary); box-shadow: var(--focus-ring); }

.btn {
    padding: 10px 16px;
    border-radius: var(--radius);
    color: white;
    border: none;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    transition: background-color var(--transition), transform var(--transition), box-shadow var(--transition);
    background-color: var(--primary);
    text-decoration: none;
    display: inline-block;
    font-family: inherit;
}
.btn:hover { transform: translateY(-1px); box-shadow: var(--shadow); }
.btn:disabled { opacity: 0.7; cursor: not-allowed; transform: none; }
.btn-edit { background-color: #f59e0b; }
.btn-edit:hover { background-color: #d97706; }
.btn-hapus { background-color: var(--danger); }
.btn-hapus:hover { background-color: var(--danger-hover); }
.btn-cancel { background-color: var(--muted); }
td.aksi { display: flex; gap: 8px; flex-wrap: wrap; }

.feedback { padding: 12px 16px; border-radius: var(--radius); margin: 16px 0; font-weight: 500; }
.feedback.success { background-color: var(--success-bg); color: var(--success-text); }
.feedback.info { background-color: var(--primary-light); color: #1e40af; }
.kas-agent-panel {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    align-items: center;
    background-color: var(--muted-bg);
    padding: 20px;
    border-radius: var(--radius);
    margin-bottom: 20px;
    border: 1px solid var(--border);
}
.reset-area p { margin-top: 0; font-size: 14px; color: var(--text-muted); }
@media (min-width: 768px) { .kas-agent-panel { grid-template-columns: 1fr 2fr; } }

/* ---------- Loading state (forms) ---------- */
form.is-loading button[type="submit"],
form.is-loading .btn-submit {
    pointer-events: none;
    opacity: 0.85;
}
form.is-loading .btn-loading-text { display: none; }
form.is-loading .btn-loading-spinner { display: inline-block; margin-right: 6px; vertical-align: middle; }
.btn-loading-spinner {
    display: none;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255,255,255,0.4);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- Landing page (public index) ---------- */
.landing-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    margin-bottom: 36px;
    padding-bottom: 24px;
    border-bottom: 2px solid var(--table-border);
}
.landing-header h1 {
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--primary);
    margin: 0;
    letter-spacing: -0.03em;
}
.landing-header p {
    font-size: 1.05rem;
    color: var(--text-muted);
    margin: 8px 0 0 0;
}

.card {
    background: var(--card-bg);
    padding: 28px 24px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    margin-bottom: 28px;
    border: 1px solid var(--border);
    animation: cardIn 0.4s ease;
}
@keyframes cardIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.card.ranking-card {
    border-left: 4px solid #eab308;
}

.payment-table {
    width: 100%;
    border-collapse: collapse;
    border-radius: var(--radius);
    overflow: hidden;
}
.payment-table th,
.payment-table td {
    padding: 14px 16px;
    text-align: left;
    border-bottom: 1px solid var(--table-border);
}
.payment-table th {
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-muted);
    background: #f8fafc;
}
.payment-table td { font-size: 0.95em; }
.payment-table tbody tr:nth-child(even) { background: #fafbfc; }
.payment-table tbody tr:hover { background: #f1f5f9; }
.payment-table tr:last-child td { border-bottom: none; }

.rank-gold { background: var(--gold) !important; font-weight: 600; }
.rank-silver { background: var(--silver) !important; font-weight: 600; }
.rank-bronze { background: var(--bronze) !important; font-weight: 600; }
.rank-gold td,
.rank-silver td,
.rank-bronze td { color: var(--text); }

.no-data {
    text-align: center;
    color: var(--text-muted);
    padding: 28px 20px;
    font-size: 0.95rem;
}

.login-card .login-tabs {
    display: flex;
    gap: 0;
    margin-bottom: 24px;
    background: #f1f5f9;
    padding: 4px;
    border-radius: 10px;
}
.login-card .tab-button {
    flex: 1;
    padding: 14px 16px;
    cursor: pointer;
    border: none;
    border-radius: 8px;
    font-family: inherit;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-muted);
    background: transparent;
    transition: all var(--transition);
}
.login-card .tab-button.active {
    background: #ffffff;
    color: var(--primary);
    box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}
.login-content { display: none; }
.login-content.active { display: block; }

.login-card .login-form {
    display: block;
}
.login-card .login-form .form-group {
    margin-bottom: 20px;
}
.login-card .login-form label {
    display: block;
    font-weight: 600;
    margin-bottom: 8px;
    font-size: 0.9rem;
    color: var(--text);
}
.login-card .login-form input[type="text"] {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid #d1d5db;
    border-radius: 10px;
    box-sizing: border-box;
    font-family: inherit;
    font-size: 1rem;
    transition: border-color var(--transition), box-shadow var(--transition);
}
.login-card .login-form input[type="text"]:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: var(--focus-ring);
}
.login-card .login-form button {
    width: 100%;
    min-height: 48px;
    padding: 14px;
    background: var(--primary);
    color: #ffffff !important;
    border: 2px solid rgba(0,0,0,0.1);
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    font-family: inherit;
    box-shadow: 0 2px 6px rgba(0,0,0,0.12);
    transition: background-color var(--transition), transform var(--transition), box-shadow var(--transition);
}
.login-card .login-form button:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
}
.login-card .login-form button:focus-visible {
    outline: none;
    box-shadow: var(--focus-ring);
}

.error-message {
    margin-top: 20px;
    padding: 14px 16px;
    border-radius: 10px;
    background: var(--danger-bg);
    color: var(--danger-text);
    font-weight: 600;
    font-size: 0.9rem;
    border-left: 4px solid var(--danger);
    text-align: center;
}

footer {
    text-align: center;
    margin-top: 40px;
    padding-top: 20px;
    color: var(--text-muted);
    font-size: 0.85rem;
    border-top: 1px solid var(--table-border);
}