/* ============================================
   Font Face Declarations
   ============================================ */

/* Font imports - Using system fonts as fallback, can be replaced with actual font files */
@font-face {
    font-family: 'Roboto';
    src: url('../fuchase/Fuchase/asset/font/roboto/Roboto-Regular.ttf') format('truetype');
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Roboto';
    src: url('../fuchase/Fuchase/asset/font/roboto/Roboto-Medium.ttf') format('truetype');
    font-weight: 500;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Roboto';
    src: url('../fuchase/Fuchase/asset/font/roboto/Roboto-Bold.ttf') format('truetype');
    font-weight: 700;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Bank Gothic';
    src: url('../fuchase/Fuchase/asset/font/bankgothic-md-bt/BankGothicMediumBT.ttf') format('truetype');
    font-weight: 500;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Bank Gothic';
    src: url('../fuchase/Fuchase/asset/font/bankgothic-md-bt/BankGothic Bold.ttf') format('truetype');
    font-weight: 700;
    font-style: normal;
    font-display: swap;
}

/* ============================================
   CSS Variables (Fuchase Design System)
   ============================================ */

:root {
    /* Colors */
    --color-bg-primary: #000000;
    --color-bg-secondary: #0A0A0A;
    --color-bg-card: #1A1A1A;
    --color-text-primary: #FFFFFF;
    --color-text-secondary: #CCCCCC;
    --color-accent-blue: #00B4FF;
    --color-accent-blue-light: #66D9FF;
    --color-button-primary: #E0E0E0;
    --color-button-text: #000000;
    --color-border: rgba(255, 255, 255, 0.1);
    --color-hover-glow: rgba(0, 180, 255, 0.3);
    --error-color: #FF4444;
    --success-color: #00FF88;
    
    /* Typography */
    --font-family: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
    --font-family-title: 'Bank Gothic', Arial, sans-serif;
    --font-weight-bold: 700;
    --font-weight-semi: 600;
    --font-weight-regular: 400;
    --font-weight-light: 300;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* Effects */
    --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 20px rgba(0, 180, 255, 0.4);
    --shadow-glow-strong: 0 0 40px rgba(0, 180, 255, 0.6);
    
    /* Border Radius */
    --radius-sm: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 2rem;
    
    /* Transitions */
    --transition-fast: 0.2s ease-in-out;
    --transition-normal: 0.3s ease-in-out;
    --transition-slow: 0.5s ease-in-out;
}

/* ============================================
   Reset & Base Styles
   ============================================ */

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

body {
    font-family: var(--font-family);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-text-primary);
    background-color: var(--color-bg-primary);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    position: relative;
    overflow: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-family-title);
}

/* ============================================
   Background Decoration
   ============================================ */

.background-decoration {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
    overflow: hidden;
}

.circle {
    position: absolute;
    border-radius: 50%;
    background: radial-gradient(circle, var(--color-accent-blue), transparent);
    opacity: 0.08;
    filter: blur(100px);
    animation: float 25s infinite ease-in-out;
}

.circle-1 {
    width: 600px;
    height: 600px;
    top: -300px;
    left: -300px;
    animation-delay: 0s;
}

.circle-2 {
    width: 500px;
    height: 500px;
    bottom: -250px;
    right: -250px;
    animation-delay: 8s;
}

.circle-3 {
    width: 400px;
    height: 400px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: 16s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    33% {
        transform: translate(40px, -40px) scale(1.15);
    }
    66% {
        transform: translate(-40px, 40px) scale(0.85);
    }
}

/* ============================================
   Login Container
   ============================================ */

.login-container {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 480px;
}

.login-box {
    background: var(--color-bg-card);
    border-radius: var(--radius-md);
    padding: 3rem 2.5rem;
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-card);
    animation: slideUp 0.6s ease-out;
    backdrop-filter: blur(10px);
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================
   Logo Section
   ============================================ */

.logo-section {
    text-align: center;
    margin-bottom: 2.5rem;
}

.logo-icon {
    width: 90px;
    height: 90px;
    margin: 0 auto 1.5rem;
    background: linear-gradient(135deg, var(--color-accent-blue), var(--color-accent-blue-light));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    box-shadow: var(--shadow-glow);
    position: relative;
}

.logo-icon::after {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: var(--radius-md);
    padding: 2px;
    background: linear-gradient(135deg, var(--color-accent-blue), var(--color-accent-blue-light));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0.5;
}

.logo-section h1 {
    font-size: 2rem;
    font-weight: var(--font-weight-bold);
    margin-bottom: 0.5rem;
    color: var(--color-text-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.logo-section p {
    color: var(--color-text-secondary);
    font-size: 0.875rem;
    font-weight: var(--font-weight-regular);
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

/* ============================================
   Form Styles
   ============================================ */

.login-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-size: 0.875rem;
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
    margin-left: 0.25rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

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

.input-icon {
    position: absolute;
    left: 1rem;
    color: var(--color-text-secondary);
    z-index: 1;
    pointer-events: none;
    transition: color var(--transition-normal);
}

.input-wrapper input,
.input-wrapper select {
    width: 100%;
    padding: 0.875rem 1rem 0.875rem 3rem;
    background: var(--color-bg-primary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text-primary);
    font-size: 0.9375rem;
    font-family: var(--font-family);
    transition: all var(--transition-normal);
    outline: none;
}

.input-wrapper input:focus,
.input-wrapper select:focus {
    border-color: var(--color-accent-blue);
    background: var(--color-bg-secondary);
    box-shadow: 0 0 0 3px rgba(0, 180, 255, 0.1);
}

.input-wrapper:has(input:focus) .input-icon,
.input-wrapper:has(select:focus) .input-icon {
    color: var(--color-accent-blue);
}

.input-wrapper input::placeholder {
    color: var(--color-text-secondary);
    opacity: 0.6;
}

.input-wrapper select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1L6 6L11 1' stroke='%23CCCCCC' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 3rem;
}

.input-wrapper select option {
    background: var(--color-bg-card);
    color: var(--color-text-primary);
    padding: 0.5rem;
}

.toggle-password {
    position: absolute;
    right: 1rem;
    background: none;
    border: none;
    color: var(--color-text-secondary);
    cursor: pointer;
    padding: 0.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color var(--transition-normal);
    z-index: 2;
}

.toggle-password:hover {
    color: var(--color-accent-blue);
}

/* ============================================
   Form Options
   ============================================ */

.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.875rem;
    margin-top: -0.5rem;
}

.remember-me {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    color: var(--color-text-secondary);
    user-select: none;
}

.remember-me input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--color-accent-blue);
}

.forgot-password {
    color: var(--color-accent-blue);
    text-decoration: none;
    transition: all var(--transition-fast);
    font-size: 0.875rem;
}

.forgot-password:hover {
    color: var(--color-accent-blue-light);
    text-decoration: underline;
}

/* ============================================
   Login Button (Fuchase Style)
   ============================================ */

.login-button {
    margin-top: 0.5rem;
    padding: 0.875rem 1.5rem;
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    color: var(--color-text-primary);
    font-size: 0.9375rem;
    font-weight: var(--font-weight-semi);
    font-family: var(--font-family);
    cursor: pointer;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    position: relative;
    overflow: hidden;
}

.login-button::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--color-accent-blue), var(--color-accent-blue-light));
    opacity: 0;
    transition: opacity var(--transition-normal);
    z-index: -1;
}

.login-button:hover {
    transform: scale(1.02);
    border-color: var(--color-accent-blue);
    box-shadow: var(--shadow-glow);
    color: var(--color-text-primary);
}

.login-button:hover::before {
    opacity: 0.1;
}

.login-button:active {
    transform: scale(0.98);
}

.login-button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.login-button.loading {
    position: relative;
    color: transparent;
}

.login-button.loading::after {
    content: "";
    position: absolute;
    width: 20px;
    height: 20px;
    border: 2px solid var(--color-accent-blue);
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* ============================================
   Message Styles
   ============================================ */

.message {
    margin-top: 1.25rem;
    padding: 0.75rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    text-align: center;
    display: none;
    animation: slideDown 0.3s ease-out;
    border: 1px solid;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.message.show {
    display: block;
}

.message.error {
    background: rgba(255, 68, 68, 0.1);
    color: var(--error-color);
    border-color: rgba(255, 68, 68, 0.3);
}

.message.success {
    background: rgba(0, 255, 136, 0.1);
    color: var(--success-color);
    border-color: rgba(0, 255, 136, 0.3);
}

/* ============================================
   Responsive Design
   ============================================ */

@media (max-width: 480px) {
    .login-box {
        padding: 2rem 1.5rem;
    }

    .logo-section h1 {
        font-size: 1.75rem;
    }

    .logo-icon {
        width: 70px;
        height: 70px;
    }

    .form-options {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }

    .forgot-password {
        align-self: flex-end;
    }
}