/* loginStyle.css — Marlei (split-card, com suporte a tema claro/escuro) */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* ─────────── VARIÁVEIS DE TEMA ─────────── */
:root {
    /* Tema claro (padrão) */
    --login-page-bg:         linear-gradient(135deg, #fdfbff 0%, #f5edff 50%, #fff7f3 100%);
    --login-glow-1:          rgba(241, 90, 34, 0.10);
    --login-glow-2:          rgba(163, 33, 90, 0.10);
    --login-card-bg:         rgba(255, 255, 255, 0.85);
    --login-card-border:     rgba(91, 45, 142, 0.12);
    --login-card-shadow:     0 30px 80px rgba(91, 45, 142, 0.18);

    --login-form-text:       #1a0a2e;
    --login-form-muted:      #7c6d8a;
    --login-form-label:      #5b2d8e;
    --login-input-bg:        rgba(91, 45, 142, 0.04);
    --login-input-border:    rgba(91, 45, 142, 0.15);
    --login-input-text:      #1a0a2e;
    --login-input-placeholder: #b0a4c1;

    --login-brand-overlay-1: rgba(241, 90, 34, 0.65);
    --login-brand-overlay-2: rgba(163, 33, 90, 0.75);
    --login-brand-base:      linear-gradient(135deg, #f15a22 0%, #a3215a 100%);

    --login-back-bg:         rgba(255, 255, 255, 0.7);
    --login-back-border:     rgba(91, 45, 142, 0.15);
    --login-back-text:       #5b2d8e;

    --login-error-bg:        rgba(239, 68, 68, 0.08);
    --login-error-border:    rgba(239, 68, 68, 0.30);
    --login-error-text:      #b91c1c;
}

body.dark {
    /* Tema escuro */
    --login-page-bg:         linear-gradient(135deg, #0e0618 0%, #1a0f2e 40%, #2d1050 100%);
    --login-glow-1:          rgba(241, 90, 34, 0.15);
    --login-glow-2:          rgba(163, 33, 90, 0.18);
    --login-card-bg:         rgba(255, 255, 255, 0.04);
    --login-card-border:     rgba(255, 255, 255, 0.10);
    --login-card-shadow:     0 30px 80px rgba(0, 0, 0, 0.55);

    --login-form-text:       #f0eaf8;
    --login-form-muted:      rgba(255, 255, 255, 0.5);
    --login-form-label:      rgba(255, 255, 255, 0.6);
    --login-input-bg:        rgba(255, 255, 255, 0.06);
    --login-input-border:    rgba(255, 255, 255, 0.12);
    --login-input-text:      #fff;
    --login-input-placeholder: rgba(255, 255, 255, 0.28);

    --login-brand-overlay-1: rgba(241, 90, 34, 0.28);
    --login-brand-overlay-2: rgba(163, 33, 90, 0.32);
    --login-brand-base:      linear-gradient(135deg, rgba(241, 90, 34, 0.10), rgba(163, 33, 90, 0.10));

    --login-back-bg:         rgba(255, 255, 255, 0.06);
    --login-back-border:     rgba(255, 255, 255, 0.12);
    --login-back-text:       rgba(255, 255, 255, 0.85);

    --login-error-bg:        rgba(239, 68, 68, 0.12);
    --login-error-border:    rgba(239, 68, 68, 0.30);
    --login-error-text:      #fca5a5;
}

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

body {
    font-family: 'Inter', sans-serif;
    min-height: 100vh;
    background:
        radial-gradient(ellipse at 20% 10%, var(--login-glow-1) 0%, transparent 45%),
        radial-gradient(ellipse at 85% 90%, var(--login-glow-2) 0%, transparent 50%),
        var(--login-page-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    overflow: hidden;
    transition: background 0.3s, color 0.3s;
}

/* ─────────── BOTÃO VOLTAR ─────────── */
.back-btn {
    position: fixed;
    top: 24px;
    left: 24px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    background: var(--login-back-bg);
    border: 1px solid var(--login-back-border);
    border-radius: 999px;
    color: var(--login-back-text);
    font-family: 'Inter', sans-serif;
    font-size: 0.88rem;
    font-weight: 600;
    text-decoration: none;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
    z-index: 10;
}
.back-btn:hover {
    transform: translateX(-2px);
    box-shadow: 0 8px 20px rgba(91, 45, 142, 0.15);
}
.back-btn svg {
    width: 16px;
    height: 16px;
    transition: transform 0.2s;
}
.back-btn:hover svg { transform: translateX(-2px); }

/* ─────────── CARD PRINCIPAL ─────────── */
#logo { width: 200px; }

.login-wrapper {
    width: 100%;
    max-width: 920px;
    padding: 16px;
    animation: cardEntry 0.7s cubic-bezier(.2,.7,.2,1) both;
}
@keyframes cardEntry {
    from { opacity: 0; transform: translateY(18px) scale(.98); }
    to   { opacity: 1; transform: none; }
}

.login-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    background: var(--login-card-bg);
    border: 1px solid var(--login-card-border);
    border-radius: 24px;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: var(--login-card-shadow);
    overflow: hidden;
    min-height: 460px;
}

/* ─────────── LADO ESQUERDO — LOGO ─────────── */
.login-brand {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 56px 40px;
    background:
        radial-gradient(circle at 30% 20%, var(--login-brand-overlay-1) 0%, transparent 55%),
        radial-gradient(circle at 70% 80%, var(--login-brand-overlay-2) 0%, transparent 55%),
        var(--login-brand-base);
    overflow: hidden;
}
.login-brand::before,
.login-brand::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.5;
    pointer-events: none;
}
.login-brand::before {
    width: 220px; height: 220px;
    background: #f15a22;
    top: -40px; left: -40px;
}
.login-brand::after {
    width: 260px; height: 260px;
    background: #a3215a;
    bottom: -60px; right: -60px;
}

.login-brand-content {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 18px;
}

.login-brand img {
    width: 200px;
    filter: drop-shadow(0 8px 24px rgba(0, 0, 0, 0.25));
}

.login-brand .subtitle {
    font-size: 0.78rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.85);
    text-transform: uppercase;
    letter-spacing: 0.22em;
}

/* ─────────── LADO DIREITO — FORM ─────────── */
.login-form-side {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 56px 48px;
}

.login-form-side h2 {
    font-size: 1.7rem;
    font-weight: 700;
    color: var(--login-form-text);
    margin-bottom: 6px;
    letter-spacing: -0.4px;
}

.login-form-side .greeting {
    font-size: 0.88rem;
    color: var(--login-form-muted);
    margin-bottom: 30px;
}

.form-group { margin-bottom: 18px; }

.form-group label {
    display: block;
    font-size: 0.74rem;
    font-weight: 600;
    color: var(--login-form-label);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 8px;
}

.form-group input {
    width: 100%;
    padding: 13px 16px;
    background: var(--login-input-bg);
    border: 1px solid var(--login-input-border);
    border-radius: 10px;
    color: var(--login-input-text);
    font-size: 0.95rem;
    font-family: 'Inter', sans-serif;
    transition: border-color .2s, background .2s, box-shadow .2s;
}

.form-group input::placeholder { color: var(--login-input-placeholder); }

.form-group input:focus {
    outline: none;
    border-color: #f15a22;
    background: rgba(241, 90, 34, 0.06);
    box-shadow: 0 0 0 4px rgba(241, 90, 34, 0.10);
}

.login-btn {
    width: 100%;
    padding: 14px;
    margin-top: 12px;
    background: linear-gradient(135deg, #f15a22, #a3215a);
    border: none;
    border-radius: 12px;
    color: #fff;
    font-size: 0.95rem;
    font-weight: 700;
    cursor: pointer;
    transition: transform .25s, box-shadow .25s;
    font-family: 'Inter', sans-serif;
    letter-spacing: 0.02em;
}
.login-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 28px rgba(241, 90, 34, 0.35);
}
.login-btn:active { transform: translateY(0); }

.error-msg {
    background: var(--login-error-bg);
    border: 1px solid var(--login-error-border);
    color: var(--login-error-text);
    padding: 11px 14px;
    border-radius: 10px;
    font-size: 0.85rem;
    margin-bottom: 18px;
    text-align: center;
    font-weight: 500;
}

/* ─────────── RESPONSIVO ─────────── */
@media (max-width: 760px) {
    .login-card {
        grid-template-columns: 1fr;
        min-height: auto;
    }
    .login-brand {
        padding: 40px 30px;
    }
    .login-brand img { width: 140px; }
    .login-form-side { padding: 36px 28px; }
    .back-btn {
        top: 16px;
        left: 16px;
        padding: 8px 14px;
        font-size: 0.82rem;
    }
}