/* ===== FleetBus Login v1.16 - CSS Modular ===== */

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    position: relative;
    overflow: hidden;
}

/* Efeito de partículas animadas */
body::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='100' height='100' viewBox='0 0 100 100'%3E%3Cg fill-opacity='0.03'%3E%3Cpolygon fill='%23ffffff' points='50 0 60 40 100 50 60 60 50 100 40 60 0 50 40 40'/%3E%3C/g%3E%3C/svg%3E") repeat;
    animation: float 20s linear infinite;
}

@keyframes float {
    0% { transform: translate(0, 0); }
    100% { transform: translate(-100px, -100px); }
}

.login-container {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: 24px;
    box-shadow: 0 25px 80px rgba(0, 0, 0, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 40px;
    width: 100%;
    max-width: 400px;
    position: relative;
    z-index: 1;
    animation: slideUp 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(50px) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.header-container {
    text-align: center;
    margin-bottom: 40px;
}

.system-title {
    font-size: 40px;
    font-weight: 800;
    color: #2d3748;
    margin-bottom: 16px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 4px 15px rgba(102, 126, 234, 0.2);
    letter-spacing: -1px;
}

.system-subtitle {
    font-size: 16px;
    color: #718096;
    font-weight: 500;
    margin-bottom: 20px;
    line-height: 1.5;
}

.version-badge {
    display: inline-block;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    font-size: 12px;
    font-weight: 600;
    padding: 8px 16px;
    border-radius: 20px;
    margin-bottom: 10px;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.login-form {
    margin-top: 20px;
}

.form-group {
    margin-bottom: 24px;
    position: relative;
}

.form-label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: #4a5568;
    margin-bottom: 8px;
}

.form-input {
    width: 100%;
    padding: 16px 20px;
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    font-size: 16px;
    color: #2d3748;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    outline: none;
}

.form-input:focus {
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
    transform: translateY(-1px);
}

.form-input::placeholder {
    color: #a0aec0;
    font-weight: 400;
}

.login-button {
    width: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    padding: 18px 24px;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
    margin-top: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 35px rgba(102, 126, 234, 0.4);
    background: linear-gradient(135deg, #5a67d8 0%, #667eea 100%);
}

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

.login-button:disabled {
    background: #cbd5e0;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.loading-spinner {
    display: none;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s ease-in-out infinite;
    margin-right: 10px;
}

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

.error-message {
    background: rgba(245, 101, 101, 0.1);
    border: 1px solid #f56565;
    color: #c53030;
    padding: 12px 16px;
    border-radius: 8px;
    margin-top: 16px;
    font-size: 14px;
    font-weight: 500;
    display: none;
    animation: slideDown 0.3s ease;
}

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

.footer-info {
    text-align: center;
    margin-top: 40px;
    padding-top: 30px;
    border-top: 1px solid rgba(226, 232, 240, 0.6);
}

.company-name {
    font-size: 13px;
    color: #4a5568;
    font-weight: 600;
    margin-bottom: 8px;
}

.powered-by {
    font-size: 11px;
    color: #a0aec0;
    margin-bottom: 5px;
}

.copyright {
    font-size: 11px;
    color: #a0aec0;
}

/* Responsivo */
@media (max-width: 480px) {
    .login-container {
        margin: 10px;
        padding: 32px 24px;
        max-width: none;
        border-radius: 20px;
    }

    .system-title {
        font-size: 32px;
    }

    .system-subtitle {
        font-size: 14px;
    }

    .form-input {
        padding: 14px 18px;
        font-size: 16px;
    }

    .login-button {
        padding: 16px 20px;
        font-size: 16px;
    }
}

@media (max-width: 360px) {
    .login-container {
        padding: 28px 20px;
    }

    .system-title {
        font-size: 28px;
    }

    .system-subtitle {
        font-size: 13px;
    }
}