:root {
    --login-primary: #2563eb;
    --login-primary-dark: #1d4ed8;
    --login-secondary: #64748b;
    --login-success: #10b981;
    --login-danger: #ef4444;
    --login-warning: #f59e0b;
    --login-card-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

/* Layout de tela cheia - correção definitiva do scroll vertical */
* {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
    height: 100vh;
    overflow: hidden;
    position: relative;
}

body {
    background-image: url('/imagens/login-background.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    max-height: 100vh;
}

.login-container {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    width: 100vw;
    height: 100vh;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
}

.login-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: 24px;
    box-shadow: var(--login-card-shadow);
    border: 1px solid rgba(255, 255, 255, 0.2);
    width: 100%;
    max-width: 440px;
    max-height: calc(100vh - 40px);
    overflow: hidden;
    animation: slideInUp 0.6s ease-out;
    flex-shrink: 0;
}

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

.login-header {
    background: linear-gradient(135deg, var(--login-primary) 0%, var(--login-primary-dark) 100%);
    color: white;
    padding: 1.5rem 2rem 1rem;
    text-align: center;
    position: relative;
}

.login-header::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    height: 15px;
    background: linear-gradient(135deg, var(--login-primary) 0%, var(--login-primary-dark) 100%);
    border-radius: 0 0 50% 50%;
}

.brand-logo {
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 0.75rem;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.brand-logo i {
    font-size: 1.5rem;
    color: white;
}

.brand-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0;
    letter-spacing: -0.025em;
}

.brand-subtitle {
    font-size: 0.8rem;
    opacity: 0.9;
    margin: 0.25rem 0 0;
    font-weight: 400;
}

.login-body {
    padding: 1.5rem 2rem 1.5rem;
}

.form-floating {
    position: relative;
    margin-bottom: 1rem;
}

.form-floating .form-control {
    height: 62px;
    padding: 1.25rem 1rem 0.5rem 3.25rem;
    border: 2px solid #e2e8f0;
    border-radius: 14px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: #f8fafc;
}

.form-floating .form-control:focus {
    border-color: var(--login-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
    background: white;
}

.form-floating label {
    padding: 1.15rem 1rem 0.65rem 3.25rem;
    color: var(--login-secondary);
    font-weight: 500;
    pointer-events: none;
}

.form-floating > .form-control:focus ~ label,
.form-floating > .form-control:not(:placeholder-shown) ~ label {
    transform: scale(0.85) translateY(-0.75rem) translateX(0.15rem);
    padding-left: 3.25rem;
}

.input-icon {
    position: absolute;
    left: 1.15rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--login-secondary);
    font-size: 1.25rem;
    z-index: 10;
    transition: all 0.3s ease;
    pointer-events: none;
}

.form-floating .form-control:focus + label + .input-icon {
    color: var(--login-primary);
}

.btn-login {
    width: 100%;
    height: 58px;
    background: linear-gradient(135deg, var(--login-primary) 0%, var(--login-primary-dark) 100%);
    border: none;
    border-radius: 14px;
    color: white;
    font-weight: 600;
    font-size: 1.05rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    cursor: pointer;
    box-shadow: 0 4px 6px -1px rgba(37, 99, 235, 0.1), 0 2px 4px -1px rgba(37, 99, 235, 0.06);
}

.btn-login.disabled {
    background: #cbd5e1 !important;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
    opacity: 0.8;
}

.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(37, 99, 235, 0.3);
    background: linear-gradient(135deg, var(--login-primary-dark) 0%, var(--login-primary) 100%);
}

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

.btn-forgot {
    width: 100%;
    height: 58px;
    background: transparent;
    border: 2px solid #e2e8f0;
    border-radius: 14px;
    color: var(--login-secondary);
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.btn-forgot:hover {
    border-color: var(--login-primary);
    color: var(--login-primary);
    background: rgba(37, 99, 235, 0.05);
}

.divider {
    text-align: center;
    margin: 1rem 0;
    position: relative;
    color: var(--login-secondary);
    font-size: 0.875rem;
}

.divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: #e2e8f0;
}

.divider span {
    background: rgba(255, 255, 255, 0.95);
    padding: 0 1rem;
}

/* Loading State */
.btn-login .btn-content {
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.3s ease;
}

.btn-login .btn-loading {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
    color: white;
}

.btn-login.loading .btn-content {
    opacity: 0;
}

.btn-login.loading .btn-loading {
    opacity: 1;
}

.btn-login.loading {
    pointer-events: none;
    /* Mantém a cor original do botão - sem escurecimento */
    background: linear-gradient(135deg, var(--login-primary) 0%, var(--login-primary-dark) 100%);
}

.btn-login .fa-spinner {
    animation: spin 1s linear infinite;
    color: white;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Responsive Design */

/* Tablets em modo portrait */
@media (max-width: 768px) and (min-width: 577px) {
    .login-container {
        padding: 15px;
    }
    
    .login-card {
        max-width: 500px;
        max-height: calc(100vh - 30px);
    }
    
    .login-header {
        padding: 1.75rem 2rem 1.25rem;
    }
    
    .login-body {
        padding: 1.75rem 2rem 1.5rem;
    }
}

/* Smartphones grandes e tablets pequenos */
@media (max-width: 576px) {
    .login-container {
        padding: 10px;
    }
    
    .login-card {
        border-radius: 16px;
        max-height: calc(100vh - 20px);
        max-width: calc(100vw - 20px);
    }
    
    .login-header {
        padding: 1rem 1.5rem 0.75rem;
    }
    
    .login-body {
        padding: 1rem 1.5rem 1rem;
    }
    
    .brand-title {
        font-size: 1.25rem;
    }
    
    .brand-subtitle {
        font-size: 0.75rem;
    }
    
    .brand-logo {
        width: 50px;
        height: 50px;
        margin-bottom: 0.5rem;
    }
    
    .brand-logo i {
        font-size: 1.25rem;
    }
    
    .form-floating {
        margin-bottom: 0.75rem;
    }
    
    .form-floating .form-control {
        height: 50px;
        font-size: 0.9rem;
    }
    
    .btn-login, .btn-forgot {
        height: 50px;
        font-size: 0.9rem;
    }
    
    .divider {
        margin: 0.75rem 0;
        font-size: 0.8rem;
    }
}

/* Smartphones médios */
@media (max-width: 400px) and (min-width: 321px) {
    .login-container {
        padding: 5px;
    }
    
    .login-card {
        max-height: calc(100vh - 10px);
        max-width: calc(100vw - 10px);
        border-radius: 12px;
    }
    
    .login-header {
        padding: 0.75rem 1rem 0.5rem;
    }
    
    .login-body {
        padding: 0.75rem 1rem 0.75rem;
    }
    
    .brand-title {
        font-size: 1.1rem;
    }
    
    .brand-subtitle {
        font-size: 0.7rem;
    }
    
    .brand-logo {
        width: 40px;
        height: 40px;
        margin-bottom: 0.4rem;
    }
    
    .brand-logo i {
        font-size: 1rem;
    }
    
    .form-floating {
        margin-bottom: 0.6rem;
    }
    
    .form-floating .form-control {
        height: 45px;
        font-size: 0.85rem;
        padding: 0.75rem 0.75rem 0.75rem 2.5rem;
    }
    
    .form-floating label {
        padding: 0.75rem 0.75rem 0.75rem 2.5rem;
        font-size: 0.85rem;
    }
    
    .input-icon {
        left: 0.75rem;
        font-size: 1rem;
    }
    
    .btn-login, .btn-forgot {
        height: 45px;
        font-size: 0.85rem;
    }
    
    .divider {
        margin: 0.6rem 0;
        font-size: 0.75rem;
    }
}

/* Smartphones muito pequenos (iPhone SE, antigos) */
@media (max-width: 320px) {
    .login-container {
        padding: 3px;
    }
    
    .login-card {
        max-height: calc(100vh - 6px);
        max-width: calc(100vw - 6px);
        border-radius: 8px;
    }
    
    .login-header {
        padding: 0.6rem 0.8rem 0.4rem;
    }
    
    .login-body {
        padding: 0.6rem 0.8rem 0.6rem;
    }
    
    .brand-title {
        font-size: 1rem;
    }
    
    .brand-subtitle {
        font-size: 0.65rem;
    }
    
    .brand-logo {
        width: 35px;
        height: 35px;
        margin-bottom: 0.3rem;
    }
    
    .brand-logo i {
        font-size: 0.9rem;
    }
    
    .form-floating {
        margin-bottom: 0.5rem;
    }
    
    .form-floating .form-control {
        height: 42px;
        font-size: 0.8rem;
        padding: 0.7rem 0.7rem 0.7rem 2.2rem;
    }
    
    .form-floating label {
        padding: 0.7rem 0.7rem 0.7rem 2.2rem;
        font-size: 0.8rem;
    }
    
    .input-icon {
        left: 0.7rem;
        font-size: 0.95rem;
    }
    
    .btn-login, .btn-forgot {
        height: 42px;
        font-size: 0.8rem;
        padding: 0.7rem 1rem;
    }
    
    .divider {
        margin: 0.5rem 0;
        font-size: 0.7rem;
    }
}

/* Orientação landscape em dispositivos móveis */
@media (max-height: 500px) and (orientation: landscape) {
    .login-container {
        padding: 5px;
        align-items: flex-start;
        padding-top: 10px;
    }
    
    .login-card {
        max-height: calc(100vh - 20px);
        max-width: 90vw;
        overflow-y: auto;
    }
    
    .login-header {
        padding: 0.5rem 1.5rem 0.25rem;
    }
    
    .login-body {
        padding: 0.5rem 1.5rem 0.75rem;
    }
    
    .brand-logo {
        width: 35px;
        height: 35px;
        margin-bottom: 0.25rem;
    }
    
    .brand-logo i {
        font-size: 0.9rem;
    }
    
    .brand-title {
        font-size: 1rem;
        margin-bottom: 0.25rem;
    }
    
    .brand-subtitle {
        font-size: 0.65rem;
        margin-bottom: 0.5rem;
    }
    
    .form-floating {
        margin-bottom: 0.5rem;
    }
    
    .form-floating .form-control {
        height: 40px;
        font-size: 0.8rem;
    }
    
    .form-floating label {
        font-size: 0.8rem;
    }
    
    .btn-login, .btn-forgot {
        height: 40px;
        font-size: 0.8rem;
    }
    
    .divider {
        margin: 0.4rem 0;
        font-size: 0.7rem;
    }
}

/* Smartphones muito pequenos em landscape */
@media (max-height: 400px) and (orientation: landscape) {
    .login-card {
        max-width: 95vw;
        border-radius: 8px;
    }
    
    .login-header {
        padding: 0.4rem 1rem 0.2rem;
    }
    
    .login-body {
        padding: 0.4rem 1rem 0.5rem;
    }
    
    .brand-logo {
        width: 30px;
        height: 30px;
        margin-bottom: 0.2rem;
    }
    
    .brand-logo i {
        font-size: 0.8rem;
    }
    
    .brand-title {
        font-size: 0.9rem;
        margin-bottom: 0.2rem;
    }
    
    .brand-subtitle {
        font-size: 0.6rem;
        margin-bottom: 0.3rem;
    }
    
    .form-floating {
        margin-bottom: 0.4rem;
    }
    
    .form-floating .form-control {
        height: 35px;
        font-size: 0.75rem;
        padding: 0.5rem 0.5rem 0.5rem 2rem;
    }
    
    .form-floating label {
        padding: 0.5rem 0.5rem 0.5rem 2rem;
        font-size: 0.75rem;
    }
    
    .input-icon {
        left: 0.5rem;
        font-size: 0.9rem;
    }
    
    .btn-login, .btn-forgot {
        height: 35px;
        font-size: 0.75rem;
    }
    
    .divider {
        margin: 0.3rem 0;
        font-size: 0.65rem;
    }
}

/* Password Requirements Modern Layout */
.password-requirements {
    background: #f1f5f9;
    padding: 1.25rem;
    border-radius: 16px;
    margin-bottom: 1.5rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
    border: 1px solid #e2e8f0;
}

.requirement-item {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 0.75rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

.requirement-item i {
    font-size: 1rem;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.requirement-item.text-success {
    color: #059669 !important;
}

.requirement-item.text-danger {
    color: #dc2626 !important;
}

.match-requirement {
    grid-column: span 2;
    padding-top: 0.5rem;
    border-top: 1px solid #e2e8f0;
    margin-top: 0.25rem;
}

/* Error States */
.form-control.is-invalid {
    border-color: var(--login-danger);
    background: #fef2f2;
}

.form-control.is-invalid:focus {
    border-color: var(--login-danger);
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.invalid-feedback {
    display: block;
    color: var(--login-danger);
    font-size: 0.875rem;
    margin-top: 0.5rem;
}