/* =========================================
   Custom Properties
   ========================================= */
   :root {
    /* Font */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
    
    /* Colors */
    --text-color-primary: #374151;
    --text-color-secondary: #6B7280;
    --text-color-subtle: #9CA3AF;
    --input-background: #F9FAFB;
    --input-text: #4B5563;
}

/* =========================================
   Auth Layout
   ========================================= */
.auth-layout {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-md);
    background: var(--bg-gradient);
    position: relative;
    overflow: hidden;
}

/* Decorative background elements */
.auth-background {
    position: absolute;
    inset: 0;
    overflow: hidden;
    z-index: 0;
    pointer-events: none;
}

.auth-background-circle {
    position: absolute;
    bottom: -8rem;
    left: -8rem;
    width: 500px;
    height: 500px;
    background: var(--color-primary);
    border-radius: 50%;
    opacity: 0.05;
}

/* =========================================
   Auth Container & Card
   ========================================= */
.auth-container {
    width: 100%;
    max-width: 440px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.auth-card {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-primary);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

/* Progress Bar */
.auth-progress {
    height: 4px;
    background: var(--bg-secondary);
}

.auth-progress-fill {
    height: 100%;
    background: var(--color-primary);
    transition: width 0.3s ease;
}

/* =========================================
   Auth Header
   ========================================= */
.auth-header {
    padding: var(--space-xl) var(--space-xl) var(--space-lg);
    text-align: center;
}

.auth-title {
    font-size: var(--text-2xl);
    font-weight: 600;
    color: var(--text-color-primary);
    margin-bottom: var(--space-xs);
}

.auth-subtitle {
    color: var(--text-color-secondary);
    font-size: var(--text-base);
}

/* =========================================
   Auth Content & Form
   ========================================= */
.auth-content {
    padding: 0 var(--space-xl) var(--space-xl);
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

/* Form Steps */
.form-step {
    display: none;
    animation: fadeIn 0.3s ease;
}

.form-step.active {
    display: block;
}

/* Form Groups */
.form-group {
    margin-bottom: var(--space-lg);
}

.form-label {
    display: block;
    color: var(--text-color-primary);
    font-weight: 500;
    font-size: 0.95rem;
    margin-bottom: var(--space-sm);
}

/* =========================================
   Auth Inputs
   ========================================= */
.auth-input-wrapper {
    position: relative;
    width: 100%;
}

.auth-input {
    width: 100%;
    padding: var(--space-md) var(--space-lg);
    background: var(--input-background);
    border: 1px solid transparent;
    border-radius: var(--radius-lg);
    font-size: var(--text-base);
    color: var(--input-text);
    transition: all 0.2s ease;
}

.auth-input::placeholder {
    color: var(--text-color-subtle);
}

.auth-input:focus {
    outline: none;
    border-color: var(--color-primary);
    background: var(--bg-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* Input Icons */
.auth-input-icon {
    position: absolute;
    right: var(--space-md);
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-color-secondary);
    pointer-events: none;
}

/* =========================================
   Auth Terms
   ========================================= */
.auth-terms {
    text-align: center;
    margin: var(--space-xl) 0;
    color: var(--text-color-secondary);
    font-size: var(--text-sm);
    line-height: 1.6;
}

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

.auth-terms a:hover {
    text-decoration: underline;
}

/* =========================================
   Auth Buttons
   ========================================= */
.auth-button-container {
    display: flex;
    gap: var(--space-md);
    margin-top: var(--space-xl);
}

.auth-button {
    flex: 1;
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-lg);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
    font-size: var(--text-base);
}

.auth-button-primary {
    background: var(--color-primary);
    color: white;
    box-shadow: var(--shadow-md);
}

.auth-button-primary:hover {
    background: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.auth-button-secondary {
    background: var(--bg-secondary);
    color: var(--text-color-primary);
    border: 1px solid var(--border-primary);
}

.auth-button-secondary:hover {
    background: var(--bg-primary);
    border-color: var(--color-primary);
}

/* =========================================
   Verification Screen
   ========================================= */
.verification-content {
    text-align: center;
    padding: var(--space-xl) 0;
}

.verification-icon {
    font-size: 3rem;
    margin-bottom: var(--space-lg);
}

.verification-title {
    color: var(--text-color-primary);
    font-size: var(--text-xl);
    margin-bottom: var(--space-md);
    font-weight: 600;
}

.verification-text {
    color: var(--text-color-secondary);
    margin-bottom: var(--space-lg);
    line-height: 1.6;
}

.verification-email {
    background: var(--input-background);
    padding: var(--space-md);
    border-radius: var(--radius-md);
    color: var(--text-color-primary);
    font-weight: 500;
    margin-bottom: var(--space-lg);
}

.verification-note {
    color: var(--text-color-secondary);
    font-size: var(--text-sm);
}

.resend-button {
    background: none;
    border: none;
    color: var(--color-primary);
    font-size: var(--text-sm);
    cursor: pointer;
    padding: 0;
    text-decoration: underline;
}

.country-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    border: 1px solid #e2e8f0;
    border-radius: 0.375rem;
    max-height: 200px;
    overflow-y: auto;
    z-index: 1000;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.country-option {
    padding: 0.5rem 1rem;
    cursor: pointer;
    transition: background-color 0.2s;
}

.country-option:hover {
    background-color: #f7fafc;
}

.auth-input-wrapper {
    position: relative;
}

.country-option.highlighted {
    background-color: #f7fafc;
}

.auth-input.searching {
    border-bottom-left-radius: 0;
    border-bottom-right-radius: 0;
}

/* =========================================
   Error States
   ========================================= */
.auth-input.error {
    border-color: var(--color-danger);
}

.auth-error {
    background: rgba(239, 68, 68, 0.1);
    color: var(--color-danger);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    margin-bottom: var(--space-md);
}

/* =========================================
   Log-in Screen styles
   ========================================= */

/* Hidden utility class for auth components */
.auth-hidden {
    display: none;
}

/* Message container styles */
.auth-messages {
    margin-bottom: var(--space-md);
}

/* Individual message styles */
.auth-message {
    padding: var(--space-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-sm);
    font-size: var(--text-sm);
    animation: fadeIn 0.3s ease-in-out;
}

.auth-message-error {
    background: rgba(239, 68, 68, 0.1);
    color: var(--color-danger);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.auth-message-success {
    background: rgba(34, 197, 94, 0.1);
    color: #166534;
    border: 1px solid rgba(34, 197, 94, 0.2);
}

/* Field-level error message */
.error-message {
    color: var(--color-danger);
    font-size: var(--text-sm);
    margin-top: var(--space-xs);
    min-height: 1rem;
    display: block;
}

/* =========================================
   Animations
   ========================================= */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.auth-slide-up {
    animation: slideUp 0.3s ease-out forwards;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* =========================================
   Responsive Adjustments
   ========================================= */
@media (max-width: 640px) {
    .auth-layout {
        padding: var(--space-sm);
    }

    .auth-container {
        width: 100%;
    }

    .auth-card {
        border-radius: var(--radius-md);
    }

    .auth-header {
        padding: var(--space-lg) var(--space-md);
    }

    .auth-content {
        padding: 0 var(--space-md) var(--space-md);
    }

    .auth-button-container {
        flex-direction: column;
    }

    .verification-content {
        padding: var(--space-lg) var(--space-md);
    }
}