:root {
    --color-primary: #4F46E5;
    --color-primary-dark: #3730A3;
    --color-background: #F9FAFB;
    --color-surface: #FFFFFF;
    --color-text: #111827;
    --color-text-muted: #6B7280;
    --color-border: #E5E7EB;
    --color-success: #10B981;
    --color-danger: #EF4444;

    color-scheme: light;
    font-family: "Inter", "Segoe UI", Arial, sans-serif;
    line-height: 1.5;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: "Inter", "Segoe UI", Arial, sans-serif;
    font-size: 16px;
    background: var(--color-background);
    color: var(--color-text);
}

h1 {
    font-size: 2rem;
    font-weight: 600;
    margin: 1.5rem 0 1rem;
}

h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin: 0 0 0.75rem;
}

h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin: 0 0 0.5rem;
}

/* Navigation */

.navbar {
    height: 60px;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.navbar__brand {
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--color-text);
}

.navbar__links {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    font-size: 0.95rem;
}

.navbar__links a {
    color: var(--color-text);
    text-decoration: none;
}

.navbar__links a:hover {
    color: var(--color-primary);
}

.navbar__link--active {
    font-weight: 600;
    color: var(--color-primary);
}

.navbar__greeting {
    color: var(--color-text-muted);
}

/* Layout */

.content {
    max-width: 960px;
    margin: 0 auto;
    padding: 2rem 24px 4rem;
}

.system-messages {
    max-width: 960px;
    margin: 1.5rem auto 0;
    padding: 0 24px;
}

.message {
    margin: 0 0 0.5rem;
    padding: 0.85rem 1.1rem;
    border-radius: 0.75rem;
    font-size: 0.95rem;
}

.message--error,
.message--warning {
    background: rgba(239, 68, 68, 0.12);
    color: var(--color-danger);
    border: 1px solid rgba(239, 68, 68, 0.35);
}

.message--success {
    background: rgba(16, 185, 129, 0.12);
    color: var(--color-success);
    border: 1px solid rgba(16, 185, 129, 0.35);
}

.dashboard {
    display: grid;
    gap: 1.5rem;
}

@media (min-width: 960px) {
    .dashboard {
        grid-template-columns: 320px 1fr;
        align-items: start;
    }
}

.dashboard-sidebar {
    display: grid;
    gap: 1.5rem;
}

.dashboard-main {
    display: grid;
    gap: 1.5rem;
}

/* Panels / cards */

.panel {
    background: var(--color-surface);
    border-radius: 12px;
    padding: 32px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
}

.panel--compact {
    padding: 0.75rem;
}

.panel--stretch {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.panel-lead {
    color: var(--color-text-muted);
    margin: 0.5rem 0 1.5rem;
}

.assessment-quota {
    background: rgba(79, 70, 229, 0.06);
    border: 1px solid var(--color-border);
    border-radius: 0.75rem;
    padding: 0.9rem 1rem;
    font-size: 0.95rem;
    margin-bottom: 1.2rem;
}

.assessment-quota--exhausted {
    background: rgba(239, 68, 68, 0.1);
    border-color: rgba(239, 68, 68, 0.35);
    color: var(--color-danger);
}

.assessment-form {
    display: grid;
    gap: 1.3rem;
}

/* Form controls */

.form-field label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.55rem;
    color: var(--color-text);
}

input[type="text"],
input[type="password"],
input[type="email"],
input[type="number"],
select,
textarea {
    width: 100%;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: 10px 14px;
    font: inherit;
    color: var(--color-text);
    background: var(--color-surface);
}

textarea {
    min-height: 120px;
    resize: vertical;
}

input[type="text"]:focus,
input[type="password"]:focus,
input[type="email"]:focus,
input[type="number"]:focus,
select:focus,
textarea:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 1px;
}

.form-field input[type="file"] {
    width: 100%;
    border: 1px dashed var(--color-border);
    border-radius: 0.9rem;
    padding: 0.95rem;
    background: rgba(79, 70, 229, 0.05);
    font-size: 0.96rem;
}

.form-field input[type="file"]:hover,
.form-field input[type="file"]:focus {
    border-color: var(--color-primary);
    background: rgba(79, 70, 229, 0.08);
}

.form-errors,
.field-error {
    color: var(--color-danger);
}

.form-errors {
    background: rgba(239, 68, 68, 0.08);
    border: 1px solid rgba(239, 68, 68, 0.35);
    padding: 1rem;
    border-radius: 0.75rem;
}

/* Buttons */

.btn-primary {
    display: block;
    width: 100%;
    background: var(--color-primary);
    color: #fff;
    padding: 12px;
    border-radius: 8px;
    border: none;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
}

.btn-primary:hover {
    background: var(--color-primary-dark);
}

.btn-primary[disabled] {
    cursor: not-allowed;
    opacity: 0.55;
}

.btn-secondary {
    background: transparent;
    color: var(--color-primary);
    padding: 12px;
    border-radius: 8px;
    border: 2px solid var(--color-primary);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
}

.btn-secondary:hover {
    background: rgba(79, 70, 229, 0.08);
}

.info-card ul {
    margin: 1rem 0 0;
    padding: 0;
    list-style: none;
}

.info-card li {
    padding: 0.55rem 0;
    border-bottom: 1px solid var(--color-border);
    font-size: 0.95rem;
    color: var(--color-text-muted);
}

.info-card li:last-child {
    border-bottom: 0;
}

/* Auth pages */

.auth-panel {
    max-width: 420px;
    margin: 2rem auto;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
    text-align: left;
}

.auth-panel h1 {
    text-align: center;
    margin-top: 0;
}

.auth-form {
    display: grid;
    gap: 1.2rem;
}

.auth-alt-link {
    margin-top: 1.5rem;
    text-align: center;
}

.auth-alt-link a {
    color: var(--color-primary);
    font-weight: 600;
}

/* Assessment results */

#assessment-results {
    line-height: 1.7;
}

.summary-header {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
    color: #fff;
}

.summary-metrics {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.summary-metric {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.summary-metric--readiness {
    gap: 0.4rem;
}

.summary-heading {
    margin: 0;
    font-size: 1.45rem;
    font-weight: 600;
    color: #fff;
}

.summary-score {
    font-size: clamp(2.4rem, 6vw, 3.5rem);
    font-weight: 700;
    margin: 0;
    color: #fff;
}

.summary-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.summary-meta__label {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: rgba(255, 255, 255, 0.7);
}

.summary-meta__value {
    display: block;
    margin-top: 0.3rem;
    font-weight: 600;
    font-size: 1.05rem;
    color: #fff;
}

.summary-sub {
    margin: 0;
    font-size: 0.95rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.9);
}

.grid {
    display: grid;
}

.two-col {
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.gap-lg {
    gap: 1.5rem;
}

@media (min-width: 768px) {
    .summary-metrics {
        flex-direction: row;
        align-items: stretch;
    }

    .summary-metric {
        flex: 1;
    }

    .summary-metric--readiness {
        flex: 1.2;
    }
}

@media (min-width: 1024px) {
    .grid.two-col {
        grid-template-columns: repeat(2, minmax(280px, 1fr));
        gap: 2rem;
    }
}

.list-pairs {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 1rem;
}

.list-pairs li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--color-border);
}

.empty-state {
    color: var(--color-text-muted);
    margin: 0;
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    margin-bottom: 24px;
}

.badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.35rem 0.75rem;
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.05em;
}

.badge--neutral {
    background: rgba(79, 70, 229, 0.12);
    color: var(--color-primary-dark);
}

.badge--accent {
    background: rgba(16, 185, 129, 0.15);
    color: #047857;
}

.badge--info {
    background: rgba(59, 130, 246, 0.18);
    color: #1d4ed8;
}

.list-bullets {
    margin: 0;
    padding-left: 1.2rem;
    display: grid;
    gap: 0.65rem;
}

.empty-panel {
    text-align: center;
    min-height: 320px;
    display: grid;
    place-content: center;
    gap: 0.8rem;
}

.site-footer {
    text-align: center;
    padding: 2.5rem 1rem 3rem;
    color: var(--color-text-muted);
    font-size: 0.85rem;
}

@media (max-width: 768px) {
    .panel {
        padding: 1.65rem;
    }

    .summary-meta {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 600px) {
    .content {
        padding: 1.5rem 16px 3rem;
    }

    .panel,
    .auth-panel {
        width: 100%;
        max-width: none;
    }

    .navbar {
        flex-wrap: wrap;
        height: auto;
        padding: 12px 16px;
        gap: 0.5rem;
    }

    .navbar__links {
        flex-wrap: wrap;
    }

    input,
    select,
    textarea,
    button {
        min-height: 44px;
    }
}