/**
 * 🎨 Login Moderno - Mobile First + Desktop Responsivo
 * Design clean, minimalista e profissional
 */

:root {
    /* Colors */
    --primary: #00d4ff;
    --primary-dark: #00a3cc;
    --secondary: #7c3aed;
    --accent: #38ef7d;
    --bg-dark: #0a0e27;
    --bg-card: #131729;
    --bg-card-hover: #1a1f3a;
    --text-primary: #ffffff;
    --text-secondary: #a0aec0;
    --border: rgba(255, 255, 255, 0.1);
    --shadow: rgba(0, 212, 255, 0.1);

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;

    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Inter', 'Segoe UI', sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
}

/* ==========================================
   BACKGROUND GRADIENT ANIMADO
   ========================================== */

.login-container {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
    overflow: hidden;
}

.login-container::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 30% 50%, rgba(124, 58, 237, 0.15) 0%, transparent 50%),
                radial-gradient(circle at 70% 50%, rgba(0, 212, 255, 0.15) 0%, transparent 50%);
    animation: gradientShift 20s ease infinite;
    pointer-events: none;
}

@keyframes gradientShift {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(5%, 5%) rotate(120deg); }
    66% { transform: translate(-5%, 5%) rotate(240deg); }
}

/* Floating particles */
.particles {
    position: absolute;
    width: 100%;
    height: 100%;
    overflow: hidden;
    pointer-events: none;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--primary);
    border-radius: 50%;
    opacity: 0.3;
    animation: float 20s infinite;
}

.particle:nth-child(1) { top: 20%; left: 20%; animation-delay: 0s; }
.particle:nth-child(2) { top: 60%; left: 80%; animation-delay: 2s; }
.particle:nth-child(3) { top: 40%; left: 40%; animation-delay: 4s; }
.particle:nth-child(4) { top: 80%; left: 10%; animation-delay: 6s; }
.particle:nth-child(5) { top: 10%; left: 90%; animation-delay: 8s; }

@keyframes float {
    0%, 100% { transform: translateY(0) translateX(0); }
    25% { transform: translateY(-20px) translateX(10px); }
    50% { transform: translateY(-40px) translateX(-10px); }
    75% { transform: translateY(-20px) translateX(5px); }
}

/* ==========================================
   LOGIN CARD - MOBILE FIRST
   ========================================== */

.login-card {
    position: relative;
    z-index: 1;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5),
                0 0 0 1px rgba(255, 255, 255, 0.05);
    width: 100%;
    max-width: 420px;
    padding: var(--spacing-lg);
    backdrop-filter: blur(20px);
    animation: slideUp 0.6s ease;
}

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

/* Logo Section (Mobile) */
.login-logo {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.login-logo .topwin-logo-header {
    margin-bottom: 1.5rem;
    filter: drop-shadow(0 10px 40px rgba(0, 212, 255, 0.4));
}

@keyframes pulse {
    0%, 100% { transform: scale(1); box-shadow: 0 10px 30px rgba(0, 212, 255, 0.3); }
    50% { transform: scale(1.05); box-shadow: 0 15px 40px rgba(0, 212, 255, 0.5); }
}

.login-logo h1 {
    font-size: 1.75rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-xs);
}

.login-logo p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 400;
}

/* Form */
.login-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.form-group {
    position: relative;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
    transition: var(--transition);
}

.input-wrapper {
    position: relative;
}

.input-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
    font-size: 1.1rem;
    transition: var(--transition);
    pointer-events: none;
}

.form-input {
    width: 100%;
    padding: 0.875rem 1rem 0.875rem 3rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 1rem;
    transition: var(--transition);
    font-family: inherit;
}

.form-input:focus {
    outline: none;
    border-color: var(--primary);
    background: rgba(255, 255, 255, 0.05);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

.form-input:focus + .input-icon,
.form-group:focus-within label {
    color: var(--primary);
}

.form-input::placeholder {
    color: rgba(255, 255, 255, 0.3);
}

/* Toggle Password */
.toggle-password {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.5rem;
    transition: var(--transition);
}

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

/* Remember Me */
.form-options {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.875rem;
}

.remember-me {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}

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

.forgot-password {
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition);
}

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

/* Submit Button */
.btn-login {
    width: 100%;
    padding: 1rem;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    border: none;
    border-radius: var(--radius-sm);
    color: white;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(0, 212, 255, 0.3);
    position: relative;
    overflow: hidden;
}

.btn-login::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.btn-login:hover::before {
    left: 100%;
}

.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 212, 255, 0.4);
}

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

.btn-login:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-login .spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* Divider */
.divider {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin: var(--spacing-md) 0;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.divider::before,
.divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border);
}

/* Features Badges (Mobile) */
.login-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
}

.feature-badge {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    gap: 0.5rem;
    padding: 1rem 0.5rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    color: var(--text-secondary);
    transition: var(--transition);
}

.feature-badge i {
    color: var(--primary);
    font-size: 1.5rem;
}

.feature-badge:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--primary);
}

/* Footer */
.login-footer {
    text-align: center;
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border);
    font-size: 0.75rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.login-footer p {
    margin: 0.5rem 0;
}

/* Hide info panel on mobile by default */
.login-info {
    display: none;
}

/* ==========================================
   DESKTOP LAYOUT (>768px)
   ========================================== */

@media (min-width: 768px) {
    .login-card {
        max-width: 1000px;
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-xl);
        padding: var(--spacing-xl) var(--spacing-lg);
    }

    /* Hide mobile logo on desktop */
    .login-logo {
        display: none;
    }

    /* Show and style info panel on desktop */
    .login-info {
        display: flex;
        flex-direction: column;
        justify-content: center;
        padding-right: var(--spacing-lg);
        border-right: 1px solid var(--border);
    }

    .login-info .topwin-logo-header {
        filter: drop-shadow(0 15px 50px rgba(0, 212, 255, 0.5));
    }

    .info-features {
        display: flex;
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .info-title {
        font-size: 2.5rem;
        font-weight: 700;
        margin-bottom: var(--spacing-sm);
        background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
    }

    .info-subtitle {
        font-size: 1.1rem;
        color: var(--text-secondary);
        margin-bottom: var(--spacing-lg);
    }

    .info-feature {
        display: flex;
        align-items: start;
        gap: 1rem;
        margin-bottom: var(--spacing-md);
        padding: var(--spacing-sm);
        border-radius: var(--radius-sm);
        transition: var(--transition);
    }

    .info-feature:hover {
        background: rgba(255, 255, 255, 0.03);
    }

    .info-feature i {
        font-size: 1.5rem;
        color: var(--primary);
        margin-top: 0.25rem;
    }

    .info-feature h3 {
        font-size: 1rem;
        font-weight: 600;
        margin-bottom: 0.25rem;
    }

    .info-feature p {
        font-size: 0.875rem;
        color: var(--text-secondary);
    }

    /* Right side - Form */
    .login-form-wrapper {
        display: flex;
        flex-direction: column;
        justify-content: center;
    }
}

/* Notifications */
.notification {
    position: fixed;
    top: 2rem;
    right: 2rem;
    padding: 1rem 1.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    display: flex;
    align-items: center;
    gap: 1rem;
    animation: slideIn 0.3s ease;
    z-index: 1000;
}

.notification.success {
    border-left: 4px solid var(--accent);
}

.notification.error {
    border-left: 4px solid #ef4444;
}

@keyframes slideIn {
    from {
        transform: translateX(400px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Loading Screen */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-dark);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 1;
    transition: opacity 0.5s ease;
}

.loading-screen.hidden {
    opacity: 0;
    pointer-events: none;
}

.loading-screen::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 30% 50%, rgba(124, 58, 237, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 70% 50%, rgba(0, 212, 255, 0.1) 0%, transparent 50%);
    animation: gradientShift 15s ease infinite;
}

/* Loading Logo */
.loading-screen .topwin-logo-header {
    position: relative;
    z-index: 1;
    margin-bottom: 2rem;
    filter: drop-shadow(0 15px 60px rgba(0, 212, 255, 0.6));
    animation: logoBreathing 3s ease-in-out infinite;
}

@keyframes logoBreathing {
    0%, 100% {
        transform: scale(1);
        filter: drop-shadow(0 15px 60px rgba(0, 212, 255, 0.6));
    }
    50% {
        transform: scale(1.1);
        filter: drop-shadow(0 20px 80px rgba(0, 212, 255, 0.9));
    }
}

/* Loader Spinner */
.loader {
    position: relative;
    width: 60px;
    height: 60px;
    border: 4px solid rgba(0, 212, 255, 0.1);
    border-top-color: var(--primary);
    border-right-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

/* Loading Title */
.loading-screen h2 {
    position: relative;
    z-index: 1;
    font-size: 2rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 2rem;
    margin-top: 1rem;
    letter-spacing: 3px;
    animation: textGlow 2s ease-in-out infinite;
}

@keyframes textGlow {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}

.loading-screen .loader {
    margin-bottom: 1.5rem;
}

.loading-screen p {
    position: relative;
    z-index: 1;
    color: var(--text-secondary);
    font-size: 0.9rem;
    animation: textFade 2s ease-in-out infinite;
}

@keyframes textFade {
    0%, 100% {
        opacity: 0.6;
    }
    50% {
        opacity: 1;
    }
}