/* ==============================================
   Login — Visualizador iClic
   ============================================== */

:root {
    --login-bg: #0f172a;
    --login-card-bg: #ffffff;
    --login-primary: #2563eb;
    --login-primary-dark: #1d4ed8;
    --login-text: #1e293b;
    --login-text-muted: #64748b;
    --login-border: #e2e8f0;
    --login-error: #dc2626;
    --login-error-bg: #fef2f2;
    --login-error-border: #fecaca;
    --login-warn: #d97706;
    --login-warn-bg: #fffbeb;
    --login-warn-border: #fde68a;
    --login-radius: 16px;
    --login-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.4);
}

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

.login-body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    position: relative;
    overflow: hidden;
}

/* Fundo animado — gradiente em movimento + orbs */
.login-bg {
    position: fixed;
    inset: 0;
    z-index: 0;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 25%, #0f172a 50%, #1e1b4b 75%, #0f172a 100%);
    background-size: 400% 400%;
    animation: loginBgShift 18s ease infinite;
}

.login-bg::before,
.login-bg::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.5;
    animation: loginOrb1 12s ease-in-out infinite;
}

.login-bg::before {
    width: 60vmax;
    height: 60vmax;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.4) 0%, transparent 70%);
    top: -20%;
    left: -20%;
    animation: loginOrb1 14s ease-in-out infinite;
}

.login-bg::after {
    width: 50vmax;
    height: 50vmax;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.35) 0%, transparent 70%);
    bottom: -15%;
    right: -15%;
    animation: loginOrb2 16s ease-in-out infinite;
}

.login-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.35;
    pointer-events: none;
}

.login-orb-1 {
    width: 40vmax;
    height: 40vmax;
    background: radial-gradient(circle, rgba(6, 182, 212, 0.4) 0%, transparent 70%);
    top: 50%;
    left: 10%;
    animation: loginOrb2 13s ease-in-out infinite;
}

.login-orb-2 {
    width: 35vmax;
    height: 35vmax;
    background: radial-gradient(circle, rgba(236, 72, 153, 0.25) 0%, transparent 70%);
    bottom: 20%;
    right: 20%;
    animation: loginOrb1 15s ease-in-out infinite 2s;
}

@keyframes loginBgShift {
    0%, 100% { background-position: 0% 50%; }
    25%      { background-position: 50% 100%; }
    50%      { background-position: 100% 50%; }
    75%      { background-position: 50% 0%; }
}

@keyframes loginOrb1 {
    0%, 100% { transform: translate(0, 0) scale(1); opacity: 0.5; }
    33%      { transform: translate(5%, -8%) scale(1.05); opacity: 0.4; }
    66%      { transform: translate(-5%, 5%) scale(0.95); opacity: 0.55; }
}

@keyframes loginOrb2 {
    0%, 100% { transform: translate(0, 0) scale(1); opacity: 0.35; }
    33%      { transform: translate(-8%, 5%) scale(1.08); opacity: 0.45; }
    66%      { transform: translate(6%, -6%) scale(0.92); opacity: 0.3; }
}

.login-wrapper {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 420px;
}

.login-wrapper {
    width: 100%;
    max-width: 420px;
}

.login-card {
    background: var(--login-card-bg);
    border-radius: var(--login-radius);
    padding: 2.5rem 2rem;
    box-shadow: var(--login-shadow);
    animation: loginFadeIn 0.5s ease;
}

@keyframes loginFadeIn {
    from { opacity: 0; transform: translateY(12px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ── Brand ── */

.login-brand {
    text-align: center;
    margin-bottom: 2rem;
}

.login-icon {
    width: 48px;
    height: 48px;
    color: var(--login-primary);
    margin-bottom: 0.75rem;
}

.login-title {
    font-size: 1.375rem;
    font-weight: 800;
    color: var(--login-text);
    margin-bottom: 0.25rem;
    letter-spacing: -0.01em;
}

.login-subtitle {
    font-size: 0.8125rem;
    color: var(--login-text-muted);
    font-weight: 500;
}

/* ── Alerts ── */

.login-alert {
    font-size: 0.8125rem;
    font-weight: 600;
    padding: 0.75rem 1rem;
    border-radius: 10px;
    margin-bottom: 1.25rem;
    line-height: 1.4;
}

.login-alert-error {
    background: var(--login-error-bg);
    color: var(--login-error);
    border: 1px solid var(--login-error-border);
}

.login-alert-warn {
    background: var(--login-warn-bg);
    color: var(--login-warn);
    border: 1px solid var(--login-warn-border);
}

/* ── Form ── */

.login-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.login-label {
    font-size: 0.8125rem;
    font-weight: 700;
    color: var(--login-text);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.login-input-wrap {
    position: relative;
    display: flex;
    align-items: center;
}

.login-input {
    width: 100%;
    padding: 0.875rem 3rem 0.875rem 1rem;
    font-size: 1rem;
    border: 2px solid var(--login-border);
    border-radius: 10px;
    background: #f8fafc;
    color: var(--login-text);
    transition: border-color 0.2s, box-shadow 0.2s;
    outline: none;
    font-family: inherit;
}

.login-input::placeholder {
    color: var(--login-text-muted);
}

.login-input:focus {
    border-color: var(--login-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
    background: #fff;
}

.login-toggle-pw {
    position: absolute;
    right: 0.5rem;
    top: 50%;
    transform: translateY(-50%);
    z-index: 2;
    min-width: 2.25rem;
    min-height: 2.25rem;
    background: none;
    border: none;
    color: var(--login-text-muted);
    cursor: pointer;
    padding: 0.375rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.15s;
    border-radius: 6px;
}
.login-toggle-pw:hover {
    color: var(--login-text);
    background: rgba(0, 0, 0, 0.04);
}

/* ── Button ── */

.login-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
    padding: 0.875rem;
    font-size: 1rem;
    font-weight: 700;
    font-family: inherit;
    color: #fff;
    background: var(--login-primary);
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: background-color 0.2s, transform 0.1s;
    margin-top: 0.25rem;
}

.login-btn:hover {
    background: var(--login-primary-dark);
}

.login-btn:active {
    transform: scale(0.98);
}

/* ── Footer ── */

.login-footer {
    text-align: center;
    font-size: 0.6875rem;
    color: var(--login-text-muted);
    margin-top: 1.5rem;
    letter-spacing: 0.03em;
    text-transform: uppercase;
}

/* ── Responsive ── */

@media (min-width: 480px) {
    .login-card {
        padding: 3rem 2.5rem;
    }

    .login-title {
        font-size: 1.5rem;
    }
}