/* ============================================
   auth.css - Estilos compartilhados: Login & Registro
   ============================================ */

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

:root {
    --white:          #ffffff;
    --black:          #0a0a0a;
    --dark:           #1a1a1a;
    --gray-900:       #222;
    --gray-800:       #333;
    --gray-700:       #666;
    --gray-600:       #888;
    --gray-500:       #aaa;
    --orange:         #ff6b35;
    --orange-dark:    #e55a2b;
    --orange-light:   #ff8557;
    --green:          #51cf66;
    --red:            #ff6b6b;
    --yellow:         #ffd43b;
}

/* ── Body ─────────────────────────────────── */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, var(--black) 0%, var(--dark) 50%, var(--black) 100%);
    color: var(--white);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
    position: relative;
    overflow-y: auto;
}



/* ── Card principal ───────────────────────── */
.auth-card {
    background: rgba(26,26,26,.95);
    border: 2px solid var(--gray-800);
    border-radius: 22px;
    padding: 42px 40px;
    width: 100%;
    max-width: 500px;
    position: relative;
    z-index: 1;
    animation: slideIn .8s cubic-bezier(.4,0,.2,1);
    margin: 20px 0;
}

.auth-card--wide { max-width: 580px; padding: 26px 36px; }

/* Espaçamentos menores apenas no register */
.auth-card--wide .auth-logo       { width: 52px; height: 52px; margin-bottom: 12px; }
.auth-card--wide .auth-logo img   { width: 32px; height: 32px; }
.auth-card--wide .auth-header     { margin-bottom: 16px; }
.auth-card--wide .auth-header h1  { font-size: 20px; }
.auth-card--wide .form-group      { margin-bottom: 12px; }
.auth-card--wide .form-group label{ margin-bottom: 6px; }
.auth-card--wide .form-row        { margin-bottom: 12px; gap: 14px; }
.auth-card--wide .requirements    { padding: 14px; margin-bottom: 14px; }
.auth-card--wide .form-check      { margin-bottom: 14px; }
.auth-card--wide .alert           { margin-bottom: 16px; padding: 12px 16px; }
.auth-card--wide .auth-footer     { margin-top: 14px; padding-top: 14px; }

@keyframes slideIn {
    from { opacity: 0; transform: translateY(50px) scale(.9); }
    to   { opacity: 1; transform: translateY(0)    scale(1);  }
}

/* ── Botão voltar ─────────────────────────── */
.back-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--gray-500);
    text-decoration: none;
    font-size: 14px;
    margin-bottom: 20px;
    transition: color .3s, transform .3s;
}
.back-btn:hover { color: var(--orange); transform: translateX(-5px); }

/* ── Logo ─────────────────────────────────── */
.auth-logo {
    width: 64px;
    height: 64px;
    margin: 0 auto 18px;
    background: var(--dark);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 3px solid var(--orange);
}
.auth-logo img { width: 40px; height: 40px; object-fit: contain; }

/* ── Header ───────────────────────────────── */
.auth-header {
    text-align: center;
    margin-bottom: 24px;
}
.auth-header h1 { font-size: 24px; font-weight: 700; margin-bottom: 6px; }
.auth-header p  { font-size: 14px; color: var(--gray-600); }

/* ── Alertas ──────────────────────────────── */
.alert {
    padding: 15px 20px;
    border-radius: 15px;
    margin-bottom: 25px;
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    animation: fadeIn .5s ease;
}
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-10px); }
    to   { opacity: 1; transform: translateY(0); }
}
.alert-error {
    background: rgba(220,53,69,.10);
    color: var(--red);
    border: 2px solid rgba(220,53,69,.3);
}
.alert-success {
    background: rgba(40,167,69,.10);
    color: var(--green);
    border: 2px solid rgba(40,167,69,.3);
}
.alert i { font-size: 18px; }

/* ── Formulário ───────────────────────────── */
.form-group { margin-bottom: 18px; }

.form-group label {
    display: block;
    margin-bottom: 10px;
    font-weight: 600;
    font-size: 14px;
}

.input-wrapper { position: relative; }

.input-icon {
    position: absolute;
    left: 18px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray-600);
    font-size: 18px;
    pointer-events: none;
    transition: color .3s;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"] {
    width: 100%;
    padding: 13px 16px 13px 46px;
    background: rgba(255,255,255,.05);
    border: 2px solid var(--gray-800);
    border-radius: 12px;
    font-size: 14px;
    color: var(--white);
    transition: border-color .3s, background .3s;
}
.form-group input:focus {
    outline: none;
    border-color: var(--orange);
    background: rgba(255,255,255,.08);
}
.form-group input:focus ~ .input-icon { color: var(--orange); }
.form-group input::placeholder { color: var(--gray-700); }

/* Grid duas colunas (register) */
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 25px;
}

/* ── Checkbox ─────────────────────────────── */
.form-check {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 20px;
}
.form-check input[type="checkbox"] {
    width: 20px;
    height: 20px;
    margin-top: 2px;
    cursor: pointer;
    accent-color: var(--orange);
    flex-shrink: 0;
}
.form-check label {
    font-size: 14px;
    color: var(--gray-500);
    line-height: 1.5;
    cursor: pointer;
    user-select: none;
}
.form-check a { color: var(--orange); text-decoration: none; }
.form-check a:hover { text-decoration: underline; }

/* ── Botões ───────────────────────────────── */
.btn {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, var(--orange), var(--orange-dark));
    color: var(--white);
    border: none;
    border-radius: 15px;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: transform .3s, background .3s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    text-decoration: none;
}
.btn:hover:not(:disabled) {
    transform: translateY(-3px);
    background: linear-gradient(135deg, var(--orange-light), var(--orange));
}
.btn:active:not(:disabled) { transform: translateY(-1px); }
.btn:disabled { opacity: .5; cursor: not-allowed; }

.btn-outline {
    background: transparent;
    border: 2px solid var(--orange);
    margin-top: 20px;
}
.btn-outline:hover:not(:disabled) { background: var(--orange); }

/* ── Footer do card ───────────────────────── */
.auth-footer {
    margin-top: 20px;
    padding-top: 18px;
    border-top: 1px solid var(--gray-800);
    text-align: center;
}
.auth-footer p { font-size: 14px; color: var(--gray-600); margin-bottom: 10px; }
.auth-footer a { color: var(--orange); text-decoration: none; font-weight: 600; }
.auth-footer a:hover { color: var(--orange-light); }

.divider {
    display: flex;
    align-items: center;
    gap: 15px;
    margin: 20px 0;
    color: var(--gray-600);
    font-size: 14px;
}
.divider::before,
.divider::after { content: ''; flex: 1; height: 1px; background: var(--gray-800); }

/* ── Força da senha ───────────────────────── */
.password-strength { margin-top: 10px; }

.strength-bar {
    height: 6px;
    background: rgba(255,255,255,.05);
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 6px;
}
.strength-fill {
    height: 100%;
    width: 0%;
    border-radius: 10px;
    transition: width .3s, background-color .3s;
}
.strength-text { font-size: 12px; color: var(--gray-600); }

.strength-weak   { background: var(--red); }
.strength-medium { background: var(--yellow); }
.strength-strong { background: var(--green); }

/* ── Requisitos de senha ──────────────────── */
.requirements {
    background: rgba(255,255,255,.03);
    border: 2px solid var(--gray-800);
    border-radius: 15px;
    padding: 20px;
    margin-bottom: 25px;
}
.requirements h4 {
    font-size: 14px;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.requirements ul { list-style: none; display: grid; gap: 8px; }

.requirement {
    font-size: 13px;
    color: var(--gray-600);
    display: flex;
    align-items: center;
    gap: 8px;
    transition: color .3s;
}
.requirement::before { content: '○'; font-size: 16px; color: var(--gray-700); }
.requirement.valid { color: var(--green); }
.requirement.valid::before { content: '✓'; color: var(--green); }

/* ── Estado de sucesso ────────────────────── */
.success-state { text-align: center; }

.success-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: rgba(40,167,69,.10);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 40px;
    color: var(--green);
    border: 3px solid var(--green);
    animation: scaleIn .5s ease;
}
@keyframes scaleIn {
    from { transform: scale(0); opacity: 0; }
    to   { transform: scale(1); opacity: 1; }
}

/* ── Scrollbar ────────────────────────────── */
::-webkit-scrollbar       { width: 8px; }
::-webkit-scrollbar-track { background: var(--dark); }
::-webkit-scrollbar-thumb { background: var(--orange); border-radius: 10px; }

/* ── Responsive ───────────────────────────── */
@media (max-width: 768px) {
    .auth-card { padding: 28px 22px; border-radius: 18px; }
    .auth-header h1 { font-size: 22px; }
    .form-row { grid-template-columns: 1fr; gap: 0; }
    .form-group input { padding: 12px 14px 12px 44px; }
    .btn { padding: 13px; }
}