@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Material+Symbols+Outlined');

:root {
    --primary: #1d2f6f;
    --primary-light: #3d5af1;
    --accent: #e63946;
    --text: #1f2933;
    --muted: #6b7280;
    --surface: #ffffff;
    --surface-alt: #f7f9fc;
    --border: #e5e7eb;
    --shadow: 0 20px 45px rgba(17, 40, 73, 0.12);
    --radius-lg: 18px;
    --radius-md: 12px;
    --radius-sm: 8px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: var(--surface-alt);
    min-height: 100vh;
    color: var(--text);
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--primary-light);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

.page {
    min-height: 100vh;
}

.page-login {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    background: radial-gradient(circle at top left, rgba(61, 90, 241, 0.12), transparent 55%),
                radial-gradient(circle at bottom right, rgba(230, 57, 70, 0.1), transparent 60%),
                var(--surface-alt);
}

.login-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 420px));
    gap: 36px;
    width: 100%;
    max-width: 960px;
    align-items: stretch;
}

.login-brand .brand-card {
    background: linear-gradient(140deg, rgba(61, 90, 241, 0.92), rgba(29, 47, 111, 0.92));
    color: #fff;
    border-radius: var(--radius-lg);
    padding: 48px;
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 20px;
    min-height: 100%;
}

.login-brand img {
    max-width: 160px;
}

.login-brand h1 {
    font-size: 26px;
    font-weight: 600;
    line-height: 1.3;
}

.login-brand p {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.82);
}

.login-content {
    display: flex;
    align-items: center;
}

.login-card {
    background: var(--surface);
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: var(--shadow);
    width: 100%;
}

.login-card__header h2 {
    font-weight: 600;
    font-size: 24px;
}

.login-card__header p {
    margin-top: 6px;
    color: var(--muted);
    font-size: 14px;
}

.login-form {
    margin-top: 28px;
    display: grid;
    gap: 18px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 13px;
    font-weight: 500;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.form-group input {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    font-size: 15px;
    transition: border-color 0.25s ease, box-shadow 0.25s ease;
    background: #fff;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-light);
    box-shadow: 0 0 0 4px rgba(61, 90, 241, 0.14);
}

.form-group input[readonly] {
    background-color: #f5f6fa;
    cursor: not-allowed;
}

.form-hint {
    font-size: 12px;
    color: var(--muted);
}

.btn {
    padding: 14px 18px;
    border: none;
    border-radius: var(--radius-md);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn-primary {
    background: linear-gradient(130deg, var(--primary-light), var(--primary));
    color: #fff;
    box-shadow: 0 14px 28px rgba(61, 90, 241, 0.26);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 18px 32px rgba(29, 47, 111, 0.28);
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: 0 10px 18px rgba(29, 47, 111, 0.22);
}

.btn-secondary {
    background: transparent;
    color: var(--primary);
    border: 1px solid var(--border);
    padding: 10px 18px;
    border-radius: var(--radius-md);
}

.btn-secondary:hover {
    background: rgba(61, 90, 241, 0.08);
}

.error-message {
    margin-top: 10px;
    padding: 12px;
    background: rgba(230, 57, 70, 0.08);
    color: #b4162f;
    border-radius: var(--radius-md);
    font-size: 14px;
    border-left: 4px solid rgba(230, 57, 70, 0.7);
}

.success-message {
    margin-top: 12px;
    padding: 12px;
    background: rgba(46, 204, 113, 0.12);
    color: #1e824c;
    border-radius: var(--radius-md);
    font-size: 14px;
    border-left: 4px solid rgba(46, 204, 113, 0.6);
}

.login-links {
    margin-top: 24px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.link-inline {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--primary-light);
    font-weight: 500;
}

.material-symbol {
    font-family: 'Material Symbols Outlined', sans-serif;
    font-size: 18px;
}

/* Dashboard Styles */
#dashboardPage {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.dashboard-header {
    background: var(--surface);
    border-bottom: 1px solid rgba(17, 40, 73, 0.06);
    padding: 16px 32px;
    box-shadow: 0 6px 20px rgba(17, 40, 73, 0.06);
    flex-shrink: 0;
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-title {
    display: flex;
    align-items: center;
    gap: 14px;
}

.header-title img {
    height: 48px;
}

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

.header-title p {
    margin-top: 4px;
    font-size: 13px;
    color: var(--muted);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 18px;
    font-size: 14px;
}

.user-info span {
    color: var(--muted);
    font-weight: 500;
}

.dashboard-main {
    max-width: 1200px;
    margin: 32px auto 48px;
    padding: 0 32px;
    display: grid;
    gap: 28px;
    flex: 1;
    width: 100%;
}

.balance-card {
    background: linear-gradient(140deg, rgba(61, 90, 241, 0.92), rgba(29, 47, 111, 0.93));
    border-radius: var(--radius-lg);
    padding: 34px;
    color: #fff;
    display: grid;
    gap: 10px;
    box-shadow: var(--shadow);
}

.balance-card h2 {
    font-weight: 500;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    font-size: 13px;
}

.balance-amount {
    font-size: 46px;
    font-weight: 700;
    line-height: 1.1;
}

.transfer-section,
.transactions-section {
    background: var(--surface);
    border-radius: var(--radius-lg);
    padding: 32px;
    box-shadow: var(--shadow);
}

.transfer-section h2,
.transactions-section h2 {
    color: var(--text);
    font-size: 20px;
    margin-bottom: 24px;
}

.transfer-form {
    display: grid;
    gap: 18px;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.transfer-form .form-group {
    margin-bottom: 0;
}

.transactions-table {
    width: 100%;
    border-collapse: collapse;
}

.transactions-table thead {
    background: #f2f4f8;
}

.transactions-table th {
    padding: 14px 16px;
    text-align: left;
    font-weight: 600;
    color: var(--muted);
    font-size: 13px;
    letter-spacing: 0.03em;
    text-transform: uppercase;
}

.transactions-table td {
    padding: 16px;
    border-bottom: 1px solid var(--border);
    color: var(--text);
    font-size: 15px;
}

.transactions-table tr:hover {
    background: rgba(61, 90, 241, 0.06);
}

.status-success {
    color: #2ecc71;
    font-weight: 600;
}

.status-pending {
    color: #f39c12;
    font-weight: 600;
}

.status-failed {
    color: #e74c3c;
    font-weight: 600;
}

.loading {
    display: none;
}

@media (max-width: 900px) {
    .login-grid {
        grid-template-columns: 1fr;
    }

    .login-brand .brand-card {
        padding: 36px;
    }

    .login-card {
        padding: 32px;
    }

    .dashboard-main {
        padding: 0 20px;
    }

    .dashboard-header {
        padding: 14px 20px;
    }
}

@media (max-width: 768px) {
    .dashboard-header {
        padding: 12px 16px;
    }

    .header-content {
        flex-wrap: wrap;
        gap: 12px;
    }

    .header-title {
        flex: 1 1 100%;
    }

    .header-title img {
        height: 40px;
    }

    .header-title h1 {
        font-size: 18px;
    }

    .header-title p {
        font-size: 12px;
    }

    .user-info {
        flex-wrap: wrap;
        gap: 12px;
        width: 100%;
        justify-content: flex-start;
    }

    .user-info span {
        font-size: 13px;
    }

    .user-info a {
        font-size: 13px;
        margin-right: 0;
    }

    .dashboard-main {
        padding: 0 16px;
        margin: 20px auto 32px;
        gap: 20px;
    }

    .balance-card {
        padding: 24px;
    }

    .balance-card h2 {
        font-size: 12px;
    }

    .balance-amount {
        font-size: 36px;
    }

    .transfer-section,
    .transactions-section {
        padding: 24px 20px;
    }

    .transfer-section h2,
    .transactions-section h2 {
        font-size: 18px;
        margin-bottom: 20px;
    }

    .transactions-section {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .transactions-table {
        min-width: 600px;
    }

    .transactions-table th,
    .transactions-table td {
        padding: 12px 10px;
        font-size: 14px;
    }
}

@media (max-width: 600px) {
    .page-login {
        padding: 16px;
    }

    .login-card {
        padding: 28px 24px;
    }

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

    .dashboard-header {
        padding: 10px 12px;
    }

    .header-title {
        gap: 10px;
    }

    .header-title img {
        height: 36px;
    }

    .header-title h1 {
        font-size: 16px;
    }

    .header-title p {
        font-size: 11px;
    }

    .user-info {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    .user-info span {
        width: 100%;
    }

    .user-info a {
        width: 100%;
        display: block;
        padding: 8px 0;
    }

    .btn-secondary {
        width: 100%;
        text-align: center;
    }

    .dashboard-main {
        padding: 0 12px;
        margin: 16px auto 24px;
        gap: 16px;
    }

    .balance-card {
        padding: 20px;
    }

    .balance-amount {
        font-size: 32px;
    }

    .transfer-section,
    .transactions-section {
        padding: 20px 16px;
    }

    .transfer-section h2,
    .transactions-section h2 {
        font-size: 16px;
        margin-bottom: 16px;
    }

    .form-group input {
        padding: 12px 14px;
        font-size: 14px;
    }

    .btn {
        padding: 12px 16px;
        font-size: 15px;
    }

    .transactions-table {
        min-width: 550px;
    }

    .transactions-table th {
        font-size: 11px;
        padding: 10px 8px;
    }

    .transactions-table td {
        font-size: 13px;
        padding: 10px 8px;
    }
}

@media (max-width: 400px) {
    .balance-amount {
        font-size: 28px;
    }

    .transactions-table {
        min-width: 500px;
    }

    .transactions-table th,
    .transactions-table td {
        font-size: 12px;
        padding: 8px 6px;
    }
}