/* ========================================
   LOGIN CSS - CUIDAR DE SI
   ======================================== */

/* Variáveis CSS */
:root {
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --primary-light: #dbeafe;
    --text-color: #1f2937;
    --text-muted: #6b7280;
    --border-color: #e5e7eb;
    --border-focus: #3b82f6;
    --border-radius: 12px;
    --shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
    --shadow-hover: 0 20px 40px rgba(0, 0, 0, 0.12);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    /* Glass transparent */
    --glass-bg: rgba(255, 255, 255, 0.12);
    --glass-border: rgba(255, 255, 255, 0.25);
    --glass-blur: 20px;
    --glass-input-bg: rgba(255, 255, 255, 0.2);
    --glass-input-border: rgba(255, 255, 255, 0.4);
    --glass-input-blur: 10px;
    --login-circle-size: 320px;
}

/* Reset e Base */
* {
    box-sizing: border-box;
}

/* Background da Página de Login */
body.login-page {
    background: linear-gradient(rgba(0, 0, 0, 0.2), rgba(0, 0, 0, 0.2)),
                var(--brand-bg-url) no-repeat center center fixed;
    background-size: cover;
    color: var(--text-color);
    font-family: var(--font-primary);
    margin: 0;
    padding: 20px;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Animated background shapes (floating blocks) - behind content */
.bg-shapes {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}

.bg-shapes .shape {
    position: absolute;
    background: rgba(255, 255, 255, 0.08);
    animation: float 6s ease-in-out infinite;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.06);
}

.bg-shapes .shape:nth-child(1) {
    width: 120px;
    height: 80px;
    border-radius: 15px;
    top: 20%;
    left: 10%;
    animation-delay: 0s;
    --start-rotation: 15deg;
    transform: rotate(15deg);
}

.bg-shapes .shape:nth-child(2) {
    width: 90px;
    height: 140px;
    border-radius: 12px;
    top: 60%;
    right: 15%;
    left: auto;
    animation-delay: 2s;
    --start-rotation: -20deg;
    transform: rotate(-20deg);
}

.bg-shapes .shape:nth-child(3) {
    width: 100px;
    height: 60px;
    border-radius: 10px;
    bottom: 20%;
    left: 20%;
    animation-delay: 4s;
    --start-rotation: 25deg;
    transform: rotate(25deg);
}

.bg-shapes .shape:nth-child(4) {
    width: 80px;
    height: 120px;
    border-radius: 8px;
    top: 10%;
    right: 30%;
    left: auto;
    animation-delay: 1s;
    --start-rotation: -10deg;
    transform: rotate(-10deg);
}

.bg-shapes .shape:nth-child(5) {
    width: 110px;
    height: 70px;
    border-radius: 14px;
    bottom: 40%;
    right: 20%;
    left: auto;
    animation-delay: 3s;
    --start-rotation: 30deg;
    transform: rotate(30deg);
}

.bg-shapes .shape:nth-child(6) {
    width: 95px;
    height: 95px;
    border-radius: 20px;
    top: 40%;
    left: 5%;
    animation-delay: 5s;
    --start-rotation: -15deg;
    transform: rotate(-15deg);
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) rotate(var(--start-rotation, 0deg));
    }
    50% {
        transform: translateY(-20px) rotate(calc(var(--start-rotation, 0deg) + 180deg));
    }
}

/* Container Principal - Circular glass, expands to rounded rect on hover */
.login-container {
    position: relative;
    background: transparent;
    padding: 1.5rem 2.5rem;
    border-radius: 20px;
    max-width: 420px;
    width: 100%;
    text-align: center;
    animation: fadeIn 0.6s ease-out;
    transition: padding 0.35s ease, box-shadow 0.35s ease, border-radius 0.4s ease, width 0.4s ease, height 0.4s ease, min-height 0.4s ease;
}

.login-container::after {
    content: "";
    position: absolute;
    inset: 4px;
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border-radius: 15px;
    border: 2px solid var(--glass-border);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.12);
    z-index: 1;
    pointer-events: none;
    transition: border-radius 0.4s ease;
}

/* Circular state for expandable login (logo only) */
.login-container.login-expandable {
    width: var(--login-circle-size);
    height: var(--login-circle-size);
    max-width: var(--login-circle-size);
    min-height: var(--login-circle-size);
    padding: 2rem;
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.login-container.login-expandable::after {
    border-radius: 50%;
}

.login-container > * {
    position: relative;
    z-index: 2;
}

/* Hidden form until the card expands */
.login-container.login-expandable .login-form-expand {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, opacity 0.35s ease, margin 0.35s ease;
}

/* Expand on hover for pointer devices */
@media (hover: hover) {

    .login-container.login-expandable:hover .login-form-expand,
    .login-container.login-expandable.is-expanded .login-form-expand,
    .login-container.login-expandable:focus-within .login-form-expand {
        max-height: 420px;
        opacity: 1;
    }

    .login-container.login-expandable:hover,
    .login-container.login-expandable.is-expanded,
    .login-container.login-expandable:focus-within {
        width: 100%;
        max-width: 420px;
        height: auto;
        min-height: var(--login-circle-size);
        padding: 3rem 2.5rem;
        border-radius: 20px;
    }

    .login-container.login-expandable:hover::after,
    .login-container.login-expandable.is-expanded::after,
    .login-container.login-expandable:focus-within::after {
        border-radius: 15px;
    }

    .login-container.login-expandable .login-logo-container {
        margin-bottom: 0;
        transition: margin 0.35s ease;
    }

    .login-container.login-expandable:hover .login-logo-container,
    .login-container.login-expandable.is-expanded .login-logo-container,
    .login-container.login-expandable:focus-within .login-logo-container {
        margin-bottom: 1.5rem;
    }
}

/* Touch devices: keep the circle and expand on tap/focus */
@media (hover: none) {
    .login-container.login-expandable .login-form-expand {
        pointer-events: none;
    }

    .login-container.login-expandable.is-expanded .login-form-expand,
    .login-container.login-expandable:focus-within .login-form-expand {
        max-height: 420px;
        opacity: 1;
        pointer-events: auto;
    }

    .login-container.login-expandable.is-expanded,
    .login-container.login-expandable:focus-within {
        width: 100%;
        max-width: 420px;
        height: auto;
        min-height: var(--login-circle-size);
        padding: 3rem 2.5rem;
        border-radius: 20px;
    }

    .login-container.login-expandable.is-expanded::after,
    .login-container.login-expandable:focus-within::after {
        border-radius: 15px;
    }

    .login-container.login-expandable.is-expanded .login-logo-container,
    .login-container.login-expandable:focus-within .login-logo-container {
        margin-bottom: 1.5rem;
    }
}

.login-container.login-expandable {
    cursor: pointer;
}

.login-container.login-expandable:hover,
.login-container.login-expandable:focus-within {
    cursor: default;
}

/* Logo */
.login-logo-container {
    margin-bottom: 2rem;
}

.login-logo {
    width: 280px;
    height: auto;
    margin: 0 auto;
    display: block;
    transition: width 0.35s ease;
}

.login-container.login-expandable .login-logo {
    width: 200px;
}

.login-container.login-expandable:hover .login-logo,
.login-container.login-expandable.is-expanded .login-logo,
.login-container.login-expandable:focus-within .login-logo {
    width: 280px;
}

/* Título */
.login-title-container {
    margin-bottom: 2.5rem;
}

.login-title {
    color: var(--primary-color);
    font-size: 1.75rem;
    font-weight: 700;
    margin: 0 0 0.5rem 0;
    letter-spacing: -0.025em;
}

.login-subtitle {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin: 0;
    font-weight: 500;
}

/* Alertas */
.login-alert {
    margin-bottom: 2rem;
    border-radius: var(--border-radius);
    border: 1px solid #fecaca;
    background-color: #fef2f2;
    color: #dc2626;
    font-size: 0.9rem;
    padding: 0.875rem 1rem;
}

/* Formulário */
.login-form {
    text-align: left;
}

.form-group {
    margin-bottom: 1.75rem;
}

.form-label {
    display: block;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 0.75rem;
    font-size: 0.9rem;
    letter-spacing: 0.025em;
}

.form-control {
    width: 100%;
    padding: 1rem 1.25rem;
    border: 2px solid var(--glass-input-border);
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
    background: var(--glass-input-bg);
    backdrop-filter: blur(var(--glass-input-blur));
    -webkit-backdrop-filter: blur(var(--glass-input-blur));
    color: var(--text-color);
    font-weight: 500;
}

.form-control:focus {
    outline: none;
    border-color: var(--border-focus);
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.15);
    background: rgba(255, 255, 255, 0.25);
}

.form-control:hover {
    border-color: rgba(255, 255, 255, 0.5);
    background: rgba(255, 255, 255, 0.28);
}

.form-control::placeholder {
    color: rgba(31, 41, 55, 0.6);
    font-weight: 400;
}

/* Botão de Login */
.btn-login {
    background: linear-gradient(135deg, var(--primary-color) 0%, #1d4ed8 100%);
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: var(--border-radius);
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition);
    text-transform: none;
    letter-spacing: 0.025em;
    width: 100%;
    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 {
    background: linear-gradient(135deg, var(--primary-hover) 0%, #1e40af 100%);
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

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

.btn-login:active {
    transform: translateY(0);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

/* Responsividade */
@media screen and (max-width: 480px) and (hover: hover) {
    body.login-page {
        padding: 15px;
    }

    .login-container.login-expandable {
        width: 260px;
        height: 260px;
        max-width: 260px;
        min-height: 260px;
    }

    .login-container.login-expandable .login-logo {
        width: 160px;
    }

    .login-container.login-expandable:hover .login-logo,
    .login-container.login-expandable:focus-within .login-logo {
        width: 240px;
    }
    
    .login-container {
        padding: 2.5rem 2rem;
        max-width: 100%;
    }
    
    .login-logo {
        width: 240px;
    }
    
    .login-title {
        font-size: 1.5rem;
    }
    
    .form-control {
        padding: 0.875rem 1.125rem;
        font-size: 0.95rem;
    }
    
    .btn-login {
        padding: 0.875rem 1.75rem;
        font-size: 0.95rem;
    }
}

@media screen and (max-width: 360px) and (hover: hover) {
    .login-container.login-expandable {
        width: 220px;
        height: 220px;
        max-width: 220px;
        min-height: 220px;
    }

    .login-container.login-expandable .login-logo {
        width: 140px;
    }

    .login-container.login-expandable:hover .login-logo,
    .login-container.login-expandable:focus-within .login-logo {
        width: 200px;
    }

    .login-container {
        padding: 2rem 1.5rem;
    }
    
    .login-logo {
        width: 200px;
    }
    
    .login-title {
        font-size: 1.375rem;
    }
    
    .form-control {
        padding: 0.75rem 1rem;
        font-size: 0.9rem;
    }
    
    .btn-login {
        padding: 0.75rem 1.5rem;
        font-size: 0.9rem;
    }
}

@media screen and (max-width: 480px) and (hover: none) {
    body.login-page {
        padding: 15px;
    }

    .login-container.login-expandable {
        width: 260px;
        height: 260px;
        max-width: 260px;
        min-height: 260px;
        padding: 1.75rem;
    }

    .login-container.login-expandable .login-logo-container {
        margin-bottom: 0;
    }

    .login-container.login-expandable.is-expanded,
    .login-container.login-expandable:focus-within {
        width: 100%;
        max-width: 340px;
        height: auto;
        min-height: 260px;
        padding: 2.5rem 1.5rem;
        border-radius: 20px;
    }

    .login-container.login-expandable.is-expanded .login-logo-container,
    .login-container.login-expandable:focus-within .login-logo-container {
        margin-bottom: 1.25rem;
    }

    .login-container.login-expandable .login-logo,
    .login-logo {
        width: min(190px, 100%);
    }

    .login-container.login-expandable.is-expanded .login-logo,
    .login-container.login-expandable:focus-within .login-logo {
        width: min(240px, 100%);
    }

    .login-container {
        max-width: 100%;
        padding: 2.5rem 1.5rem;
    }

    .form-control {
        padding: 0.875rem 1rem;
        font-size: 0.95rem;
    }

    .btn-login {
        padding: 0.875rem 1.5rem;
        font-size: 0.95rem;
    }
}

@media screen and (max-width: 360px) and (hover: none) {
    .login-container.login-expandable {
        width: 220px;
        height: 220px;
        max-width: 220px;
        min-height: 220px;
        padding: 1.5rem;
    }

    .login-container.login-expandable.is-expanded,
    .login-container.login-expandable:focus-within {
        width: 100%;
        max-width: 100%;
        height: auto;
        min-height: 220px;
        padding: 2rem 1.25rem;
    }

    .login-container.login-expandable .login-logo,
    .login-logo {
        width: min(165px, 100%);
    }

    .login-container.login-expandable.is-expanded .login-logo,
    .login-container.login-expandable:focus-within .login-logo {
        width: min(200px, 100%);
    }

    .form-control {
        padding: 0.75rem 0.95rem;
        font-size: 0.9rem;
    }

    .btn-login {
        padding: 0.75rem 1.25rem;
        font-size: 0.9rem;
    }
}

/* Animações */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-40px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* Melhorias de Acessibilidade */
.form-control:focus-visible {
    outline: 2px solid var(--border-focus);
    outline-offset: 2px;
}

.btn-login:focus-visible {
    outline: 2px solid var(--border-focus);
    outline-offset: 2px;
}

/* Estados de erro para campos */
.form-control.is-invalid {
    border-color: #ef4444;
    background: rgba(254, 242, 242, 0.85);
    backdrop-filter: blur(var(--glass-input-blur));
}

.form-control.is-invalid:focus {
    border-color: #ef4444;
    box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.1);
}