/**
 * Modular Auth System - Shared Styles
 * Clean, modern styling for all modules
 */

/* Base Reset & Variables */
:root {
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --success-color: #10b981;
    --error-color: #ef4444;
    --warning-color: #f59e0b;
    --text-color: #1f2937;
    --text-muted: #6b7280;
    --border-color: #d1d5db;
    --background: #ffffff;
    --background-light: #f3f4f6;
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --radius: 0.375rem;
    --radius-lg: 0.5rem;
}

* {
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: 16px;
    line-height: 1.5;
    color: var(--text-color);
    background-color: var(--background-light);
    margin: 0;
    padding: 0;
}

/* Form Containers */
.registration-module,
.login-module,
.verification-module {
    max-width: 600px;
    margin: 2rem auto;
    padding: 0 1rem;
}

.registration-form,
.login-form,
.verification-container {
    background: var(--background);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    padding: 2rem;
}

/* Form Sections */
.form-section {
    margin-bottom: 2rem;
}

.form-section:last-child {
    margin-bottom: 0;
}

.form-section h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-color);
    margin: 0 0 1rem 0;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-color);
}

/* Form Groups */
.form-group {
    margin-bottom: 1rem;
}

.form-row {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.form-row .form-group {
    flex: 1;
    min-width: 200px;
}

.form-row-address .form-group-zip {
    flex: 0 0 120px;
    min-width: 120px;
}

.form-row-address .form-group-city {
    flex: 2;
}

.form-row-address .form-group-state {
    flex: 0 0 180px;
    min-width: 180px;
}

/* Labels */
label {
    display: block;
    font-weight: 500;
    margin-bottom: 0.375rem;
    color: var(--text-color);
}

.required {
    color: var(--error-color);
}

.optional {
    color: var(--text-muted);
    font-weight: 400;
    font-size: 0.875rem;
}

/* Form Controls */
.form-control {
    display: block;
    width: 100%;
    padding: 0.625rem 0.875rem;
    font-size: 1rem;
    line-height: 1.5;
    color: var(--text-color);
    background-color: var(--background);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgb(37 99 235 / 0.1);
}

.form-control.is-invalid {
    border-color: var(--error-color);
}

.form-control.is-invalid:focus {
    box-shadow: 0 0 0 3px rgb(239 68 68 / 0.1);
}

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
    background-position: right 0.5rem center;
    background-repeat: no-repeat;
    background-size: 1.5em 1.5em;
    padding-right: 2.5rem;
}

/* Checkboxes */
.form-check {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    padding: 0.5rem 0;
}

.form-check-input {
    width: 1.125rem;
    height: 1.125rem;
    margin-top: 0.125rem;
    flex-shrink: 0;
}

.form-check-label {
    margin-bottom: 0;
    font-weight: 400;
}

/* Validation Feedback */
.invalid-feedback {
    display: block;
    margin-top: 0.25rem;
    font-size: 0.875rem;
    color: var(--error-color);
}

.form-text {
    display: block;
    margin-top: 0.25rem;
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.625rem 1.25rem;
    font-size: 1rem;
    font-weight: 500;
    line-height: 1.5;
    text-decoration: none;
    border: 1px solid transparent;
    border-radius: var(--radius);
    cursor: pointer;
    transition: all 0.15s ease-in-out;
}

.btn:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgb(37 99 235 / 0.25);
}

.btn-primary {
    color: #ffffff;
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

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

.btn-block {
    display: flex;
    width: 100%;
}

.btn-secondary {
    color: var(--text-color);
    background-color: var(--background);
    border-color: var(--border-color);
}

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

/* Alerts */
.alert {
    padding: 1rem;
    margin-bottom: 1rem;
    border-radius: var(--radius);
}

.alert-danger {
    color: #991b1b;
    background-color: #fef2f2;
    border: 1px solid #fecaca;
}

.alert-success {
    color: #166534;
    background-color: #f0fdf4;
    border: 1px solid #bbf7d0;
}

.alert-warning {
    color: #92400e;
    background-color: #fffbeb;
    border: 1px solid #fde68a;
}

/* Verification Page Styles */
.verification-container {
    text-align: center;
}

.verification-icon {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.verification-container h2 {
    margin: 0 0 0.5rem 0;
    font-size: 1.5rem;
}

.verification-container .lead {
    color: var(--text-muted);
    margin-bottom: 2rem;
}

.verification-status {
    text-align: left;
    margin-bottom: 2rem;
}

.status-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1rem;
    background: var(--background-light);
    border-radius: var(--radius);
    margin-bottom: 1rem;
}

.status-icon {
    flex-shrink: 0;
}

.status-icon.pending {
    color: var(--warning-color);
}

.status-icon.verified {
    color: var(--success-color);
}

.status-text strong {
    display: block;
    margin-bottom: 0.25rem;
}

.status-text p {
    margin: 0;
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* SMS Verification Form */
.sms-verification-form {
    margin-top: 1.5rem;
    text-align: center;
}

.code-input-group {
    display: flex;
    gap: 0.75rem;
    max-width: 300px;
    margin: 0 auto 1rem;
}

.code-input {
    text-align: center;
    font-size: 1.25rem;
    letter-spacing: 0.25em;
    font-weight: 600;
}

.resend-text {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.resend-link {
    color: var(--primary-color);
    text-decoration: none;
}

.resend-link:hover {
    text-decoration: underline;
}

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

/* Messages */
.message {
    padding: 0.75rem 1rem;
    border-radius: var(--radius);
    margin-top: 1rem;
    display: none;
}

.message.success {
    display: block;
    color: #166534;
    background-color: #f0fdf4;
    border: 1px solid #bbf7d0;
}

.message.error {
    display: block;
    color: #991b1b;
    background-color: #fef2f2;
    border: 1px solid #fecaca;
}

/* Email Actions */
.email-actions {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.help-text {
    margin-top: 1.5rem;
    font-size: 0.875rem;
    color: var(--text-muted);
}

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

.help-text a:hover {
    text-decoration: underline;
}

/* Utility Classes */
.text-center {
    text-align: center;
}

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

.mb-0 {
    margin-bottom: 0;
}

.mt-2 {
    margin-top: 0.5rem;
}

/* Responsive */
@media (max-width: 640px) {
    .form-row {
        flex-direction: column;
    }
    
    .form-row .form-group {
        min-width: 100%;
    }
    
    .form-row-address .form-group-zip,
    .form-row-address .form-group-state {
        flex: 1;
        min-width: 100%;
    }
    
    .registration-form,
    .login-form,
    .verification-container {
        padding: 1.5rem;
    }
}