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

:root {
    /* Colors - Dark theme (matching marketing website) */
    --color-bg: #0a0a0a;
    --color-bg-alt: #111111;
    --color-bg-card: #1a1a1a;
    --color-bg-card-hover: #222222;
    --color-surface: #1e1e1e;
    --color-border: #2a2a2a;
    --color-border-light: #333333;

    --color-text: #ffffff;
    --color-text-secondary: #a0a0a0;
    --color-text-muted: #666666;

    --color-primary: #007AFF;
    --color-primary-dark: #0055CC;
    --color-primary-light: rgba(0, 122, 255, 0.15);

    --color-green: #34C759;
    --color-red: #FF3B30;
    --color-orange: #FF9500;

    --radius: 12px;
    --radius-sm: 8px;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.3), 0 1px 2px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -2px rgba(0, 0, 0, 0.2);
}

/* === Light Theme === */
[data-theme="light"] {
    --color-bg: #ffffff;
    --color-bg-alt: #f5f5f7;
    --color-bg-card: #ffffff;
    --color-bg-card-hover: #f0f0f2;
    --color-surface: #f5f5f7;
    --color-border: #d2d2d7;
    --color-border-light: #e5e5ea;

    --color-text: #1d1d1f;
    --color-text-secondary: #6e6e73;
    --color-text-muted: #aeaeb2;

    --color-green: #28a745;
    --color-red: #dc3545;
    --color-orange: #e67e00;

    --shadow: 0 1px 3px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.04);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', Roboto, sans-serif;
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.5;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* === Layout === */
.container {
    max-width: 440px;
    margin: 0 auto;
    padding: 40px 20px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* === Header / Logo === */
header {
    margin-bottom: 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
}

/* === Header Actions === */
.header-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* === Theme Toggle === */
.theme-toggle {
    background: none;
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-sm);
    cursor: pointer;
    padding: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-secondary);
    transition: all 0.2s;
}

.theme-toggle:hover {
    color: var(--color-text);
    border-color: var(--color-text-muted);
}

/* === Language Toggle === */
.lang-toggle {
    background: none;
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-sm);
    cursor: pointer;
    padding: 8px 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-secondary);
    transition: all 0.2s;
    font-size: 13px;
    font-weight: 600;
    font-family: inherit;
    line-height: 20px;
}

.lang-toggle:hover {
    color: var(--color-text);
    border-color: var(--color-text-muted);
}

.theme-toggle .icon-sun {
    display: none;
}

.theme-toggle .icon-moon {
    display: block;
}

[data-theme="light"] .theme-toggle .icon-sun {
    display: block;
}

[data-theme="light"] .theme-toggle .icon-moon {
    display: none;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
}

.logo-text {
    font-size: 22px;
    font-weight: 700;
    color: var(--color-text);
}

/* === Card === */
.card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    padding: 32px;
    width: 100%;
    text-align: center;
}

/* === Typography === */
.title {
    font-size: 20px;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 8px;
}

.text-secondary {
    font-size: 15px;
    color: var(--color-text-secondary);
    margin-bottom: 24px;
}

.text-hint {
    font-size: 13px;
    color: var(--color-text-muted);
    margin-top: 16px;
}

/* === Form === */
.input-group {
    text-align: left;
    margin-bottom: 20px;
}

.input-group label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text-secondary);
    margin-bottom: 6px;
}

.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.input-wrapper input {
    width: 100%;
    padding: 12px 44px 12px 14px;
    font-size: 16px;
    border: 1.5px solid var(--color-border-light);
    border-radius: var(--radius-sm);
    background: var(--color-surface);
    color: var(--color-text);
    transition: border-color 0.2s;
    outline: none;
}

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

.input-wrapper input:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

.input-wrapper input.input-error {
    border-color: var(--color-red);
}

.icon-btn {
    position: absolute;
    right: 8px;
    background: none;
    border: none;
    color: var(--color-text-muted);
    cursor: pointer;
    padding: 4px;
    display: flex;
    align-items: center;
}

.icon-btn:hover {
    color: var(--color-text-secondary);
}

.error {
    color: var(--color-red);
    font-size: 13px;
    margin-top: 6px;
}

/* === Buttons === */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 14px 20px;
    font-size: 16px;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
}

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

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

.btn-primary:disabled {
    background: var(--color-border);
    color: var(--color-text-muted);
    cursor: not-allowed;
}

.btn-secondary {
    background: var(--color-bg-card);
    color: var(--color-text);
    border: 1px solid var(--color-border);
}

.btn-secondary:hover {
    background: var(--color-bg-card-hover);
}

/* === Actions (success state) === */
.actions {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 24px;
}

.success-icon,
.error-icon {
    margin-bottom: 16px;
}

/* === Spinner === */
.spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto 16px;
}

.spinner-small {
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255,255,255,0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* === Footer === */
footer {
    margin-top: auto;
    padding-top: 32px;
    text-align: center;
}

footer p {
    font-size: 13px;
    color: var(--color-text-muted);
}

footer a {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 500;
}

footer a:hover {
    text-decoration: underline;
}

/* === Account Page === */
.account-container {
    max-width: 720px;
    margin: 0 auto;
    padding: 40px 20px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.account-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    margin-bottom: 24px;
}

.account-header .title {
    margin-bottom: 0;
}

.account-user {
    font-size: 13px;
    color: var(--color-text-muted);
    margin-top: 2px;
}

.btn-logout {
    background: none;
    border: 1px solid var(--color-border-light);
    color: var(--color-text-secondary);
    padding: 8px 16px;
    font-size: 14px;
    font-weight: 500;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
}

.btn-logout:hover {
    border-color: var(--color-red);
    color: var(--color-red);
}

.report-list {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.report-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 20px;
    text-align: left;
    transition: border-color 0.2s;
}

.report-card:hover {
    border-color: var(--color-border-light);
}

.report-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
    gap: 12px;
}

.report-card-header .report-name {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-text);
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.report-status {
    font-size: 12px;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: 12px;
    white-space: nowrap;
    flex-shrink: 0;
}

.status-active {
    background: rgba(52, 199, 89, 0.15);
    color: var(--color-green);
}

.status-expired {
    background: rgba(255, 59, 48, 0.15);
    color: var(--color-red);
}

.report-details {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px 16px;
    margin-bottom: 16px;
}

.report-detail {
    display: flex;
    flex-direction: column;
}

.detail-label {
    font-size: 12px;
    color: var(--color-text-muted);
}

.detail-value {
    font-size: 14px;
    color: var(--color-text-secondary);
}

.report-card .btn {
    width: auto;
    padding: 10px 20px;
    font-size: 14px;
}

.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--color-text-muted);
}

.empty-state-icon {
    margin-bottom: 12px;
}

.forgot-password-link {
    display: inline-block;
    margin-top: 12px;
    font-size: 14px;
    color: var(--color-primary);
    text-decoration: none;
    cursor: pointer;
    background: none;
    border: none;
    font-family: inherit;
}

.forgot-password-link:hover {
    text-decoration: underline;
}

.success-message {
    font-size: 14px;
    color: var(--color-green);
    margin-top: 8px;
}

/* === Tab Bar === */
.tab-bar {
    display: flex;
    width: 100%;
    border-bottom: 1px solid var(--color-border);
    margin-bottom: 24px;
    gap: 0;
}

.tab-btn {
    flex: 1;
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--color-text-muted);
    font-size: 15px;
    font-weight: 600;
    font-family: inherit;
    padding: 12px 16px;
    cursor: pointer;
    transition: color 0.2s, border-color 0.2s;
    text-align: center;
}

.tab-btn:hover {
    color: var(--color-text-secondary);
}

.tab-btn.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}

.tab-content {
    width: 100%;
}

/* === Project Grid === */
.project-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    width: 100%;
}

.project-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 16px;
    cursor: pointer;
    transition: border-color 0.2s, box-shadow 0.2s;
    text-align: left;
}

.project-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow);
}

.project-card-name {
    font-size: 15px;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 8px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.project-role-badge {
    display: inline-block;
    font-size: 11px;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 10px;
    margin-bottom: 8px;
}

.project-role-badge.role-owner {
    background: var(--color-primary-light);
    color: var(--color-primary);
}

.project-role-badge.role-collaborator {
    background: rgba(255, 149, 0, 0.15);
    color: var(--color-orange);
}

.project-card-stats {
    font-size: 13px;
    color: var(--color-text-secondary);
    margin-bottom: 4px;
}

.project-card-date {
    font-size: 12px;
    color: var(--color-text-muted);
}

/* === Project Detail === */
.project-detail {
    width: 100%;
}

.btn-back {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: none;
    border: none;
    color: var(--color-primary);
    font-size: 14px;
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
    padding: 4px 0;
    margin-bottom: 16px;
    transition: opacity 0.2s;
}

.btn-back:hover {
    opacity: 0.7;
}

.project-detail-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.project-detail-header h2 {
    font-size: 20px;
    font-weight: 700;
    color: var(--color-text);
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.project-detail-info {
    font-size: 14px;
    color: var(--color-text-secondary);
    margin-bottom: 16px;
    line-height: 1.5;
}

.project-detail-meta {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 12px;
    margin-bottom: 24px;
    padding: 16px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
}

.project-meta-item {
    display: flex;
    flex-direction: column;
}

.project-meta-label {
    font-size: 12px;
    color: var(--color-text-muted);
    margin-bottom: 2px;
}

.project-meta-value {
    font-size: 14px;
    color: var(--color-text-secondary);
    font-weight: 500;
}

.project-detail-section-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 12px;
}

.plan-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.plan-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
}

.plan-item-name {
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text);
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.plan-item-stats {
    display: flex;
    gap: 12px;
    font-size: 12px;
    color: var(--color-text-muted);
    flex-shrink: 0;
}

/* === Responsive === */
@media (max-width: 600px) {
    .container {
        padding: 24px 16px;
    }

    .card {
        padding: 24px 20px;
    }

    .account-container {
        padding: 24px 16px;
    }

    .report-details {
        grid-template-columns: 1fr;
    }

    .account-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .project-grid {
        grid-template-columns: 1fr;
    }

    .project-detail-meta {
        grid-template-columns: 1fr;
    }
}