:root {
    --bg-color: #f8fafc;
    --card-bg: #ffffff;
    --border-color: #e2e8f0;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --accent-blue: #2563eb;
    --accent-blue-hover: #1d4ed8;
    --accent-blue-light: #eff6ff;
    --accent-teal: #0f766e;
    --accent-teal-bg: #f0fdfa;
    --accent-teal-border: #ccfbf1;
    --accent-error: #b91c1c;
    --accent-error-bg: #fef2f2;
    --accent-success: #15803d;
    --accent-success-bg: #f0fdf4;
    --font-main: 'Inter', sans-serif;
    --card-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.05), 0 2px 4px -2px rgb(0 0 0 / 0.05);
    --modal-shadow: 0 20px 25px -5px rgb(0 0 0 / 0.05), 0 8px 10px -6px rgb(0 0 0 / 0.05);
}

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

body {
    font-family: var(--font-main);
    background-color: var(--bg-color);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.app-container {
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.portal-card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: var(--modal-shadow);
    width: 480px;
    overflow: hidden;
}

.auth-container {
    padding: 40px 48px;
    text-align: center;
}

/* Logo Header */
.logo-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-bottom: 24px;
}

.logo-icon {
    width: 32px;
    height: 32px;
    background-color: var(--accent-blue);
    color: #ffffff;
    border-radius: 6px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-weight: 700;
    font-size: 16px;
}

.logo-text {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}

h1 {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
    letter-spacing: -0.5px;
}

.subtitle {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 28px;
    line-height: 1.5;
}

/* Form Layout */
.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 24px;
}

.form-group-full {
    grid-column: span 2;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
    text-align: left;
}

label {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

label span.required {
    color: var(--accent-error);
    margin-left: 2px;
}

input {
    width: 100%;
    background-color: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 10px 12px;
    font-family: var(--font-main);
    color: var(--text-primary);
    font-size: 13px;
    transition: all 0.2s ease;
}

input:focus {
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
    outline: none;
}

input::placeholder {
    color: var(--text-muted);
}

/* Buttons */
.btn {
    width: 100%;
    background-color: var(--accent-blue);
    color: #ffffff;
    font-family: var(--font-main);
    font-size: 13px;
    font-weight: 600;
    padding: 11px 20px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
    display: inline-flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
}

.btn:hover {
    background-color: var(--accent-blue-hover);
}

.btn:active {
    transform: scale(0.99);
}

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

.switch-prompt {
    text-align: center;
    font-size: 13px;
    margin-top: 20px;
    color: var(--text-secondary);
}

.switch-prompt a {
    color: var(--accent-blue);
    text-decoration: none;
    font-weight: 500;
    cursor: pointer;
}

.switch-prompt a:hover {
    text-decoration: underline;
}

/* Notification Banners */
.notification {
    padding: 10px 14px;
    border-radius: 6px;
    font-size: 12.5px;
    font-weight: 500;
    margin-bottom: 20px;
    display: none;
    text-align: left;
}

.notification.error {
    display: block;
    background-color: var(--accent-error-bg);
    border: 1px solid rgba(185, 28, 28, 0.15);
    color: var(--accent-error);
}

.notification.success {
    display: block;
    background-color: var(--accent-success-bg);
    border: 1px solid rgba(21, 128, 61, 0.15);
    color: var(--accent-success);
}

/* SVG icon alignment helper */
.svg-icon {
    width: 16px;
    height: 16px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}