/**
 * Estilos para componentes de loading e overlays
 * Portal do Contribuinte PGE/AM
 *
 * Fase 1: Quick Wins - Melhorias de UX
 * - Mensagens progressivas
 * - Barra de progresso
 * - Logo e personalizacao
 * - Timeout com retry
 */

/* =====================================================
   LOADING OVERLAY BASE
   ===================================================== */

.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 24, 48, 0.90);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.loading-overlay.show {
    opacity: 1;
}

/* =====================================================
   LOADING CONTENT CONTAINER
   ===================================================== */

.loading-content {
    text-align: center;
    padding: 2rem;
    background: #FFFFFF;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    min-width: 300px;
    max-width: 400px;
    animation: slideUp 0.4s ease-out;
    color: #333333;
}

.loading-content-enhanced {
    min-width: 360px;
    max-width: 450px;
    padding: 2.5rem 2rem;
    background: #FFFFFF !important;
    color: #333333 !important;
}

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

/* =====================================================
   LOGO PGE/AM
   ===================================================== */

.loading-logo {
    display: flex;
    justify-content: center;
    align-items: center;
}

.loading-logo-img {
    max-height: 60px;
    max-width: 200px;
    object-fit: contain;
}

.loading-logo-fallback {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #f5f5f5, #e0e0e0);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.loading-logo-fallback i {
    color: var(--primary, #3B6682);
}

/* =====================================================
   LOADING ICON
   ===================================================== */

.loading-icon {
    animation: pulse 2s ease-in-out infinite;
}

.loading-icon i {
    color: var(--primary, #3B6682);
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.7;
        transform: scale(1.08);
    }
}

/* =====================================================
   LOADING SPINNER
   ===================================================== */

.loading-spinner {
    display: flex;
    justify-content: center;
    align-items: center;
}

.loading-spinner .spinner-border {
    border-width: 0.25em;
    color: var(--primary, #3B6682);
}

/* =====================================================
   LOADING TEXT
   ===================================================== */

.loading-text h4,
.loading-text h5 {
    color: #001830 !important;
    margin-bottom: 0.5rem;
    transition: all 0.3s ease;
}

.loading-text p {
    color: #555555 !important;
    font-size: 0.95rem;
    transition: all 0.3s ease;
}

.loading-text small {
    font-size: 0.85rem;
    color: #666666 !important;
}

/* Animacao de fade para mudanca de texto */
.loading-text.changing {
    opacity: 0.5;
}

/* =====================================================
   LOADING GREETING (Personalizacao)
   ===================================================== */

.loading-greeting {
    font-size: 1rem;
    color: #001830 !important;
}

.loading-greeting .fw-semibold {
    color: #3B6682 !important;
}

/* =====================================================
   BARRA DE PROGRESSO
   ===================================================== */

.loading-progress {
    width: 100%;
}

.loading-progress .progress {
    border-radius: 4px;
    overflow: hidden;
    background-color: #E0E0E0;
}

.loading-progress .progress-bar {
    background: linear-gradient(90deg, var(--primary, #3B6682), var(--primary-light, #6A97B0));
    transition: width 0.5s ease;
    border-radius: 4px;
}

.loading-progress .progress-bar-animated {
    background-image: linear-gradient(
        45deg,
        rgba(255, 255, 255, 0.15) 25%,
        transparent 25%,
        transparent 50%,
        rgba(255, 255, 255, 0.15) 50%,
        rgba(255, 255, 255, 0.15) 75%,
        transparent 75%,
        transparent
    );
    background-size: 1rem 1rem;
    animation: progress-bar-stripes 1s linear infinite;
}

@keyframes progress-bar-stripes {
    0% {
        background-position-x: 1rem;
    }
}

/* =====================================================
   LOADING STEPS (Lista de etapas)
   ===================================================== */

.loading-steps {
    text-align: left;
    padding: 0 1rem;
    background: #FFFFFF;
}

.loading-step-item {
    display: flex;
    align-items: center;
    padding: 0.5rem 0;
    font-size: 0.9rem;
    border-bottom: 1px solid #e8e8e8;
}

.loading-step-item:last-child {
    border-bottom: none;
}

.loading-step-item .step-icon {
    width: 20px;
    margin-right: 0.75rem;
    font-size: 0.85rem;
}

.loading-step-item .step-text {
    color: #333333 !important;
}

.loading-step-item.pending .step-text {
    color: #888888 !important;
}

.loading-step-item.active .step-text {
    color: #3B6682 !important;
    font-weight: 500;
}

.loading-step-item.completed .step-text {
    color: #333333 !important;
}

.loading-step-item.completed .step-icon {
    color: #28a745 !important;
}

/* =====================================================
   LOADING TIP (Dicas contextuais)
   ===================================================== */

.loading-tip {
    padding: 0.5rem 1rem;
    background-color: #f0f4f7;
    border-radius: 6px;
    border-left: 3px solid #3B6682;
}

.loading-tip i {
    color: #3B6682 !important;
}

.loading-tip small,
.loading-tip span {
    color: #555555 !important;
}

/* =====================================================
   LOADING TIME (Tempo estimado/decorrido)
   ===================================================== */

.loading-time,
.loading-elapsed {
    font-size: 0.85rem;
}

.loading-time small,
.loading-elapsed small {
    color: #666666 !important;
}

.loading-time i,
.loading-elapsed i {
    color: #777777 !important;
}

/* =====================================================
   LOADING ACTIONS (Botoes de acao)
   ===================================================== */

.loading-actions {
    padding-top: 1rem;
    border-top: 1px solid #e0e0e0;
}

.loading-actions .btn {
    font-size: 0.85rem;
}

/* =====================================================
   TIMEOUT MESSAGE
   ===================================================== */

.loading-timeout-message .alert {
    font-size: 0.85rem;
    border-radius: 6px;
}

.loading-timeout-message .alert-warning {
    background-color: #fff3cd;
    border-color: #ffc107;
    color: #856404;
}

/* =====================================================
   INLINE LOADING INDICATOR
   ===================================================== */

.inline-loading {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.inline-loading .spinner-border {
    width: 1rem;
    height: 1rem;
    border-width: 0.2em;
}

/* =====================================================
   BUTTON LOADING STATE
   ===================================================== */

.btn-loading {
    position: relative;
    pointer-events: none;
}

.btn-loading .btn-text {
    visibility: hidden;
}

.btn-loading::after {
    content: "";
    position: absolute;
    width: 1rem;
    height: 1rem;
    top: 50%;
    left: 50%;
    margin-left: -0.5rem;
    margin-top: -0.5rem;
    border: 0.2em solid currentColor;
    border-right-color: transparent;
    border-radius: 50%;
    animation: spinner-border 0.75s linear infinite;
}

@keyframes spinner-border {
    to {
        transform: rotate(360deg);
    }
}

/* =====================================================
   FORM DISABLED STATE
   ===================================================== */

.form-disabled {
    pointer-events: none;
    opacity: 0.6;
}

/* =====================================================
   RESPONSIVE - MOBILE
   ===================================================== */

@media (max-width: 576px) {
    .loading-content {
        min-width: 280px;
        max-width: 90vw;
        padding: 1.5rem;
        margin: 0 1rem;
    }

    .loading-content-enhanced {
        min-width: 300px;
        padding: 1.5rem 1rem;
    }

    .loading-logo-img {
        max-height: 50px;
    }

    .loading-icon i {
        font-size: 2.5rem !important;
    }

    .loading-text h4 {
        font-size: 1.15rem;
    }

    .loading-text p {
        font-size: 0.9rem;
    }

    .loading-steps {
        padding: 0 0.5rem;
    }

    .loading-step-item {
        font-size: 0.85rem;
    }
}

/* =====================================================
   ACCESSIBILITY - Reduced Motion
   ===================================================== */

@media (prefers-reduced-motion: reduce) {
    .loading-overlay,
    .loading-content,
    .loading-icon,
    .loading-progress .progress-bar {
        animation: none;
        transition: none;
    }

    .loading-spinner .spinner-border {
        animation-duration: 1.5s;
    }

    .loading-progress .progress-bar-animated {
        animation: none;
    }
}

/* =====================================================
   DARK THEME SUPPORT - Desabilitado temporariamente
   O portal usa tema claro fixo, dark mode sera implementado futuramente
   ===================================================== */

/*
@media (prefers-color-scheme: dark) {
    -- Dark mode desabilitado para garantir contraste adequado --
}
*/