/* 
 * Account Management - Google-style Minimal Light Theme
 * Flask Web Application Styles
 */

/* CSS Variables */
:root {
    /* Colors - Clean Light Theme */
    --bg-primary: #f8f9fa;
    --bg-card: #ffffff;
    --bg-input: #ffffff;

    --text-primary: #202124;
    --text-secondary: #5f6368;
    --text-muted: #80868b;

    --accent-primary: #1a73e8;
    --accent-hover: #1557b0;
    --accent-light: rgba(26, 115, 232, 0.08);

    --border-color: #dadce0;
    --border-focus: #1a73e8;

    --success: #1e8e3e;
    --error: #d93025;
    --warning: #f9ab00;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 2.5rem;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;

    /* Shadows */
    --shadow-card: 0 1px 3px rgba(60, 64, 67, 0.15), 0 1px 2px rgba(60, 64, 67, 0.3);

    /* Transitions */
    --transition-fast: 100ms ease;
    --transition-normal: 200ms ease;
}

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

html {
    font-size: 16px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.5;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
}

/* App Container */
.app-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Main Content */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl);
    gap: var(--spacing-lg);
}

/* Flash Messages */
.flash-messages {
    width: 100%;
    max-width: 450px;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.flash {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    animation: slideIn 0.2s ease;
}

.flash-error {
    background: #fce8e6;
    border: 1px solid #f5c6cb;
    color: var(--error);
}

.flash-success {
    background: #e6f4ea;
    border: 1px solid #b7e1cd;
    color: var(--success);
}

.flash-info {
    background: #e8f0fe;
    border: 1px solid #aecbfa;
    color: var(--accent-primary);
}

/* Card - Google Style */
.card {
    width: 100%;
    max-width: 450px;
    background: var(--bg-card);
    border-radius: var(--radius-md);
    padding: var(--spacing-2xl) var(--spacing-xl);
    border: 1px solid var(--border-color);
    text-align: center;
}

.card-header {
    margin-bottom: var(--spacing-xl);
}

.card-logo {
    width: 75px;
    height: 75px;
    margin: 0 auto var(--spacing-lg);
    display: block;
    object-fit: contain;
}

.card-title {
    font-size: 1.5rem;
    font-weight: 400;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    letter-spacing: -0.01em;
}

.card-subtitle {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    line-height: 1.5;
}

.card-footer {
    margin-top: var(--spacing-xl);
    text-align: center;
}

.card-actions {
    margin-top: var(--spacing-xl);
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
}

/* Step Indicator */
.step-indicator {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-lg);
}

.step {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8125rem;
    font-weight: 500;
    background: #e8eaed;
    color: var(--text-muted);
    transition: var(--transition-normal);
}

.step.active {
    background: var(--accent-primary);
    color: white;
}

.step.completed {
    background: var(--success);
    color: white;
}

.step-line {
    width: 32px;
    height: 2px;
    background: #e8eaed;
}

.step-line.completed {
    background: var(--success);
}

/* Form */
.form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    text-align: left;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.form-label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
}

.form-input {
    width: 100%;
    padding: 13px 15px;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 1rem;
    transition: var(--transition-fast);
}

.form-input:hover {
    border-color: #bdc1c6;
}

.form-input:focus {
    outline: none;
    border-color: var(--border-focus);
    box-shadow: 0 0 0 2px var(--accent-light);
}

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

.form-input-code {
    text-align: center;
    font-size: 1.5rem;
    font-weight: 500;
    letter-spacing: 0.5rem;
    font-family: 'Roboto Mono', monospace;
    padding-left: calc(15px + 0.25rem);
}

.form-hint {
    font-size: 0.8125rem;
    color: var(--text-muted);
}

.password-wrapper {
    position: relative;
}

.password-toggle {
    position: absolute;
    right: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.125rem;
    opacity: 0.6;
    transition: var(--transition-fast);
    padding: var(--spacing-xs);
}

.password-toggle:hover {
    opacity: 1;
}

.password-strength {
    font-size: 0.8125rem;
    font-weight: 500;
    min-height: 1.25rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 10px 24px;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 0.9375rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-normal);
    text-decoration: none;
}

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

.btn-primary:hover {
    background: var(--accent-hover);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.24);
}

.btn-primary:active {
    background: #174ea6;
}

.btn-secondary {
    background: white;
    color: var(--accent-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--accent-light);
    border-color: var(--accent-light);
}

.btn-link {
    background: none;
    color: var(--accent-primary);
    padding: var(--spacing-sm);
    font-weight: 500;
}

.btn-link:hover {
    background: var(--accent-light);
    border-radius: var(--radius-sm);
}

.btn-block {
    width: 100%;
    padding: 12px 24px;
}

.btn-icon {
    font-size: 1rem;
}

/* Timer Box */
.timer-box {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-top: var(--spacing-md);
}

/* Message Card */
.message-card {
    text-align: center;
}

.message-icon {
    margin-bottom: var(--spacing-lg);
}

.icon-circle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 72px;
    height: 72px;
    border-radius: 50%;
    font-size: 2rem;
    animation: scaleIn 0.3s ease;
}

.icon-circle.success {
    background: #e6f4ea;
    color: var(--success);
}

.icon-circle.error {
    background: #fce8e6;
    color: var(--error);
}

/* Footer */
.footer {
    padding: var(--spacing-lg);
    text-align: center;
    color: var(--text-muted);
    font-size: 0.75rem;
}

/* Utilities */
.text-muted {
    color: var(--text-muted);
    font-size: 0.8125rem;
}

.inline-form {
    display: inline;
}

/* Animations */
@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Responsive */
@media (max-width: 480px) {
    .main-content {
        padding: var(--spacing-md);
    }

    .card {
        padding: var(--spacing-xl) var(--spacing-lg);
        border: none;
        box-shadow: none;
        background: transparent;
    }

    .card-title {
        font-size: 1.25rem;
    }

    .card-logo {
        width: 60px;
        height: 60px;
    }
}