:root {
    --color-primary: #3B82F6;
    --color-primary-dark: #2563EB;
    --color-accent: #F59E0B;
    --color-accent-dark: #D97706;
    --color-bg-card: #FFFFFF;
    --color-text-primary: #1F2937;
    --color-text-secondary: #6B7280;
    --color-text-light: #9CA3AF;
    --color-border: #E5E7EB;
    --color-border-focus: #3B82F6;

    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;

    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-xl: 1rem;

    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

    font-family: "Manrope", sans-serif;
    font-synthesis: none;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

html.theme-dark {
    --color-primary-light: rgba(37, 99, 235, 0.18);
    --color-text-primary: #e5e7eb;
    --color-text-secondary: #cbd5e1;
    --color-text-light: #94a3b8;
    --color-border: #334155;
    --color-border-focus: #60a5fa;
    --color-bg-card: #111827;
    --shadow-sm: 0 2px 10px rgba(2, 6, 23, 0.28);
    --shadow-md: 0 12px 28px rgba(2, 6, 23, 0.32);
    --shadow-lg: 0 20px 40px rgba(2, 6, 23, 0.4);
    color-scheme: dark;
}

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

body {
    margin: 0;
    min-height: 100vh;
    background: linear-gradient(135deg, #0F172A 0%, #1E293B 100%);
    color: var(--color-text-primary);
    line-height: 1.6;
}

.admin-container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.admin-header {
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding: var(--spacing-lg) var(--spacing-xl);
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    max-width: 90vw;
    margin: 0 auto;
}

.admin-main {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl);
}

.login-card {
    background: var(--color-bg-card);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    width: 100%;
    max-width: 480px;
    padding: var(--spacing-2xl);
    animation: slideUp 0.6s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

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

.card-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.card-header h1 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.card-header p {
    color: var(--color-text-secondary);
    font-size: 0.938rem;
}

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

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

.form-group label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text-primary);
    transition: color 0.2s ease;
}

.form-group input {
    padding: 0.875rem 1rem;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-family: inherit;
    color: var(--color-text-primary);
    background: #FFFFFF;
    transition: all 0.3s ease;
    outline: none;
}

.form-group select {
    padding: 0.875rem 1rem;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-family: inherit;
    color: var(--color-text-primary);
    background: #FFFFFF;
    transition: all 0.3s ease;
    outline: none;
}

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

.form-group input:focus {
    border-color: var(--color-border-focus);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

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

.password-input-wrapper input {
    width: 100%;
    padding-right: 3rem;
}

.toggle-password {
    position: absolute;
    right: 0.75rem;
    background: none;
    border: none;
    color: var(--color-text-light);
    cursor: pointer;
    padding: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    transition: all 0.2s ease;
}

.toggle-password:hover {
    color: var(--color-primary);
    background: rgba(59, 130, 246, 0.05);
}

.eye-icon {
    width: 20px;
    height: 20px;
}

.login-button {
    margin-top: var(--spacing-md);
    padding: 0.938rem 1.5rem;
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
    color: #FFFFFF;
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(245, 158, 11, 0.3);
    position: relative;
    overflow: hidden;
}

.login-button::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.login-button:hover::before {
    width: 300px;
    height: 300px;
}

.login-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(245, 158, 11, 0.4);
}

.login-button:active {
    transform: translateY(0);
}

.button-text,
.button-icon {
    position: relative;
    z-index: 1;
    transition: opacity 0.2s ease;
}

.admin-footer {
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: var(--spacing-lg) var(--spacing-xl);
    text-align: center;
}

.admin-footer p {
    color: var(--color-text-light);
    font-size: 0.875rem;
}

.status-message {
    margin: 0 0 var(--spacing-md);
    padding: 0.625rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 600;
}

.status-message.success {
    background: rgba(40, 167, 69, 0.12);
    color: #1f7a33;
}

.status-message.error {
    background: rgba(220, 53, 69, 0.12);
    color: #b02a37;
}

html.theme-dark .login-card {
    border: 1px solid #243041;
    box-shadow: var(--shadow-lg);
}

html.theme-dark .form-group input,
html.theme-dark .form-group select,
html.theme-dark .form-group textarea,
html.theme-dark .toggle-password,
html.theme-dark .template-textarea {
    background: #0f172a;
    color: var(--color-text-primary);
}

html.theme-dark .form-group input::placeholder,
html.theme-dark .form-group textarea::placeholder,
html.theme-dark .template-textarea::placeholder {
    color: #64748b;
}

html.theme-dark .toggle-password:hover {
    background: rgba(148, 163, 184, 0.12);
}

html.theme-dark .status-message.success {
    background: rgba(22, 101, 52, 0.22);
    color: #86efac;
}

html.theme-dark .status-message.error {
    background: rgba(153, 27, 27, 0.24);
    color: #fca5a5;
}

@media (max-width: 640px) {

    .admin-header,
    .admin-footer {
        padding: var(--spacing-md) var(--spacing-lg);
    }

    .admin-main {
        padding: var(--spacing-lg);
    }

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

    .card-header h1 {
        font-size: 1.75rem;
        font-weight: 800;
    }
}

@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}