/**
 * Auth Form Styles
 * 認証画面（ログイン・パスワードリセット等）用スタイル
 * guest.blade.phpから抽出
 */

/* ===== Extracted from guest.blade.php ===== */

/* Auth-specific design tokens (scoped to auth pages only) */
:root {
    --color-primary: #1e3a5f;
    --color-primary-light: #2d4a6f;
    --color-primary-deep: #152d4d;
    --color-accent: #1e3a5f;
    --color-accent-hover: #2d4a6f;
    --color-accent-glow: rgba(30, 58, 95, 0.18);
    --color-surface: #ffffff;
    --color-surface-elevated: #f8fafc;
    --color-surface-hover: #f1f5f9;
    --color-text-primary: #0f172a;
    --color-text-secondary: #475569;
    --color-text-muted: #94a3b8;
    --color-text-inverse: #ffffff;
    --color-border: #e2e8f0;
    --color-border-focus: #cbd5e1;
    --color-success: #10b981;
    --color-error: #ef4444;
    --font-heading: 'DM Serif Display', 'Noto Sans JP', serif;
    --font-sans: 'Noto Sans JP', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --radius-sm: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.25rem;
    --radius-full: 9999px;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.04);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-out-quart: cubic-bezier(0.25, 1, 0.5, 1);
    --duration-fast: 150ms;
    --duration-normal: 250ms;
    --duration-slow: 400ms;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    height: 100%;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    font-weight: var(--font-weight-normal);
    color: var(--color-text-primary);
    background: linear-gradient(135deg, #1e3a5f 0%, #152d4d 50%, #1e3a5f 100%);
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow-x: hidden;
}

/* Background depth layers */
body::before {
    content: '';
    position: fixed;
    top: -30%;
    right: -20%;
    width: 60%;
    height: 60%;
    background: radial-gradient(ellipse, rgba(45, 74, 111, 0.4) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
}

body::after {
    content: '';
    position: fixed;
    bottom: -20%;
    left: -15%;
    width: 50%;
    height: 50%;
    background: radial-gradient(ellipse, rgba(21, 45, 77, 0.5) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
}

.login-wrapper {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-lg);
    position: relative;
    z-index: 1;
}

.login-container {
    width: 100%;
    max-width: 420px;
    animation: slideUp 0.6s var(--ease-out-expo) both;
}

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

/* Logo Section */
.logo-section {
    text-align: center;
    margin-bottom: var(--space-xl);
    animation: fadeIn 0.8s var(--ease-out-expo) 0.1s both;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.company-logo {
    max-height: 56px;
    max-width: 200px;
    filter: brightness(0) invert(1);
    opacity: 0.95;
    transition: opacity var(--duration-normal) var(--ease-out-quart);
}

.company-logo:hover {
    opacity: 1;
}

/* Main Card */
.login-card {
    background: var(--color-surface);
    border-radius: var(--radius-xl);
    box-shadow:
        var(--shadow-xl),
        0 0 0 1px rgba(255, 255, 255, 0.05),
        0 0 60px rgba(30, 58, 95, 0.15);
    overflow: hidden;
    animation: cardReveal 0.7s var(--ease-out-expo) 0.15s both;
    position: relative;
}

/* Card top accent bar */
.login-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #2d4a6f, #1e3a5f, #3d5a7f, #1e3a5f);
    background-size: 200% 100%;
}

@keyframes cardReveal {
    from {
        opacity: 0;
        transform: scale(0.96) translateY(8px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.login-card-body {
    padding: var(--space-xl);
}

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

.form-label {
    display: block;
    font-size: 0.8125rem;
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-sm);
    letter-spacing: 0.02em;
}

.form-control,
.form-select {
    width: 100%;
    padding: 0.875rem 1rem;
    font-size: 0.9375rem;
    font-family: var(--font-sans);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-primary);
    background-color: var(--color-surface-elevated);
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-md);
    outline: none;
    transition: all var(--duration-fast) var(--ease-out-quart);
    -webkit-appearance: none;
    appearance: none;
}

.form-control:hover,
.form-select:hover {
    border-color: var(--color-border-focus);
    background-color: var(--color-surface);
}

.form-control:focus,
.form-select:focus {
    border-color: var(--color-accent);
    background-color: var(--color-surface);
    box-shadow: 0 0 0 3px var(--color-accent-glow);
}

.form-control::placeholder {
    color: var(--color-text-muted);
    font-weight: var(--font-weight-normal);
}

/* Custom Select */
.form-select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 1rem;
    padding-right: 2.75rem;
    cursor: pointer;
}

.form-select option {
    padding: 0.75rem;
    font-weight: var(--font-weight-normal);
}

.form-select optgroup {
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-secondary);
    background-color: var(--color-surface-elevated);
}

/* Password Input Group */
.input-group {
    position: relative;
}

.input-group .form-control {
    padding-right: 3rem;
}

.input-icon {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-muted);
    pointer-events: none;
}

/* Checkbox */
.form-check {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    cursor: pointer;
}

.form-check-input {
    width: 1.125rem;
    height: 1.125rem;
    border: 1.5px solid var(--color-border);
    border-radius: 0.25rem;
    background-color: var(--color-surface);
    cursor: pointer;
    transition: all var(--duration-fast) var(--ease-out-quart);
    -webkit-appearance: none;
    appearance: none;
    flex-shrink: 0;
}

.form-check-input:checked {
    background-color: var(--color-accent);
    border-color: var(--color-accent);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: center;
    background-size: 0.75rem;
}

.form-check-input:focus {
    box-shadow: 0 0 0 3px var(--color-accent-glow);
}

.form-check-label {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    user-select: none;
}

/* Links */
.link {
    font-size: 0.8125rem;
    font-weight: var(--font-weight-medium);
    color: var(--color-accent);
    text-decoration: none;
    transition: color var(--duration-fast) var(--ease-out-quart);
    border-bottom: 1px solid transparent;
}

.link:hover {
    color: var(--color-accent-hover);
    border-bottom-color: var(--color-accent-hover);
}

/* Submit Button */
.btn-submit {
    width: 100%;
    padding: 0.9375rem 1.5rem;
    font-size: 0.9375rem;
    font-family: var(--font-sans);
    font-weight: var(--font-weight-semibold);
    letter-spacing: 0.03em;
    color: #ffffff;
    background: linear-gradient(135deg, #1e3a5f 0%, #2d4a6f 100%);
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--duration-normal) var(--ease-out-expo);
    position: relative;
    overflow: hidden;
}

.btn-submit::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, transparent 50%);
    pointer-events: none;
}

.btn-submit:hover {
    background: linear-gradient(135deg, #2d4a6f 0%, #3d5a7f 100%);
    transform: translateY(-1px);
    box-shadow: 0 8px 24px rgba(30, 58, 95, 0.35);
}

.btn-submit:active {
    transform: translateY(0);
    box-shadow: 0 4px 12px rgba(30, 58, 95, 0.25);
}

.btn-submit span {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    position: relative;
    z-index: 1;
}

/* Form Actions Row */
.form-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-lg);
}

/* Alert */
.alert {
    padding: var(--space-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-lg);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.875rem;
    animation: alertSlide 0.4s var(--ease-out-expo) both;
}

@keyframes alertSlide {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.alert-success {
    background-color: rgba(16, 185, 129, 0.1);
    color: #059669;
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.alert-error {
    background-color: rgba(239, 68, 68, 0.1);
    color: #dc2626;
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.alert-icon {
    font-size: 1.125rem;
    flex-shrink: 0;
}

/* Invalid State */
.is-invalid {
    border-color: var(--color-error) !important;
}

.is-invalid:focus {
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.15) !important;
}

.invalid-feedback {
    font-size: 0.8125rem;
    color: var(--color-error);
    margin-top: var(--space-xs);
}

/* Card Header */
.card-header {
    text-align: center;
    padding-bottom: var(--space-lg);
    border-bottom: 1px solid var(--color-border);
    margin-bottom: var(--space-lg);
}

.card-title {
    font-family: var(--font-heading);
    font-size: 1.375rem;
    font-weight: 400;
    color: var(--color-primary);
    margin-bottom: var(--space-xs);
    letter-spacing: 0.01em;
}

.card-subtitle {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    letter-spacing: 0.02em;
}

/* Footer */
.login-footer {
    text-align: center;
    padding: var(--space-lg);
    color: rgba(255, 255, 255, 0.4);
    font-size: 0.75rem;
    letter-spacing: 0.03em;
    position: relative;
    z-index: 1;
}

/* Responsive */
@media (max-width: 480px) {
    .login-wrapper {
        padding: var(--space-md);
        justify-content: flex-start;
        padding-top: var(--space-2xl);
    }

    .login-card-body {
        padding: var(--space-lg);
    }

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

    .form-actions {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-md);
    }
}

/* Safe area for iOS */
@supports (padding: max(0px)) {
    .login-wrapper {
        padding-bottom: max(var(--space-lg), env(safe-area-inset-bottom));
    }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}