/* Variáveis de Cores - Nova Paleta Azul Moderna */
:root {
    --primary-blue: #1e40af; /* Azul profundo moderno */
    --secondary-blue: #3b82f6; /* Azul médio vibrante */
    --light-blue: #dbeafe; /* Azul claro suave */
    --accent-blue: #60a5fa; /* Azul accent */
    --dark-blue: #1e3a8a; /* Azul escuro */
    
    --background-gradient: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    --card-gradient: linear-gradient(145deg, #ffffff 0%, #f8fafc 100%);
    --primary-gradient: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
    
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-light: #94a3b8;
    --white: #ffffff;
    
    --border-color: #e2e8f0;
    --shadow-light: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-medium: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-large: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    --border-radius: 12px;
    --border-radius-large: 20px;
    --font-family: 'Inter', 'Roboto', -apple-system, BlinkMacSystemFont, sans-serif;
}

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

body {
    font-family: var(--font-family);
    background: var(--background-gradient);
    color: var(--text-primary);
    line-height: 1.7;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    font-size: 16px;
    font-weight: 400;
}

/* Header Moderno */
.header {
    background: var(--primary-gradient);
    padding: 1.5rem 0;
    position: relative;
    overflow: hidden;
}

.header::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 1px, transparent 1px);
    background-size: 30px 30px;
    animation: float 20s linear infinite;
}

@keyframes float {
    0% { transform: translate(-50%, -50%) rotate(0deg); }
    100% { transform: translate(-50%, -50%) rotate(360deg); }
}

.header__container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    position: relative;
    z-index: 2;
}

.header__brand {
    text-align: center;
}

.header__logo {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--white);
    letter-spacing: 3px;
    text-transform: uppercase;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
    margin: 0;
}

/* Conteúdo Principal */
.app-content {
    flex: 1;
    padding: 4rem 0;
    position: relative;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Card Principal Reformulado */
.tracking-section {
    margin-bottom: 3rem;
}

.card {
    background: var(--card-gradient);
    border-radius: var(--border-radius-large);
    box-shadow: var(--shadow-large);
    padding: 3rem;
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--primary-gradient);
}

.card--center {
    text-align: center;
}

.tracking-id-title {
    font-size: 2.8rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.tracking-id-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    font-weight: 400;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Formulário de Tracking Reformulado */
.tracking-form {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
}

.input-container-wrapper {
    width: 100%;
    max-width: 500px;
    position: relative;
}

.input-container {
    position: relative;
    width: 100%;
}

.input {
    width: 100%;
    padding: 1.2rem 1.5rem;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 1.1rem;
    font-weight: 500;
    outline: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    background: var(--white);
    color: var(--text-primary);
    letter-spacing: 0.5px;
}

.input:focus {
    border-color: var(--secondary-blue);
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.1);
    transform: translateY(-1px);
}

.input-label {
    position: absolute;
    top: 1.2rem;
    left: 1.5rem;
    color: var(--text-light);
    pointer-events: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    background: var(--white);
    padding: 0 0.5rem;
    font-weight: 500;
}

.input:focus + .input-label,
.input:not(:placeholder-shown) + .input-label {
    top: -0.7rem;
    left: 1rem;
    font-size: 0.9rem;
    color: var(--secondary-blue);
    font-weight: 600;
}

.input-error-message {
    color: #dc2626;
    font-size: 0.95rem;
    margin-top: 0.75rem;
    text-align: left;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.button {
    background: var(--primary-gradient);
    color: var(--white);
    padding: 1rem 3rem;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    min-width: 180px;
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
    overflow: hidden;
}

.button::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;
}

.button:hover::before {
    left: 100%;
}

.button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(30, 64, 175, 0.4);
}

.button:active {
    transform: translateY(0);
}

.button:disabled {
    background: var(--text-light);
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* --- Resultados de Tracking Modernizados --- */
.results-container {
    margin-top: 3rem;
    animation: slideUp 0.6s ease-out;
}

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

.tracking-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

/* Barra de Progresso Moderna */
.progress-bar-container {
    background: var(--card-gradient);
    border-radius: var(--border-radius-large);
    padding: 2.5rem 2rem;
    box-shadow: var(--shadow-medium);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.progress-bar-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--primary-gradient);
}

.progress__track {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    height: 6px;
    background: var(--light-blue);
    border-radius: 3px;
    margin: 2rem 0;
}

.progress__track-progress {
    position: absolute;
    height: 100%;
    background: var(--primary-gradient);
    border-radius: 3px;
    left: 0;
    transition: width 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 2px 8px rgba(30, 64, 175, 0.3);
}

.progress__point-wrapper {
    display: flex;
    justify-content: space-between;
    width: 100%;
    position: absolute;
    top: -12px;
    left: 0;
    right: 0;
}

.progress__point {
    width: 24px;
    height: 24px;
    background: var(--white);
    border: 3px solid var(--light-blue);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    position: absolute;
    z-index: 2;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow-light);
}

.progress__point--completed {
    background: var(--secondary-blue);
    border-color: var(--secondary-blue);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
    transform: scale(1.1);
}

.progress__point--completed::after {
    content: '✓';
    color: var(--white);
    font-size: 0.8rem;
    font-weight: bold;
}

/* Posicionamento dos pontos */
.progress__point--first {
    left: 0px !important;
    transform: translateX(-50%);
}

.progress__point--last {
    right: 0px !important;
    transform: translateX(50%);
    left: auto !important;
}

.progress__point--completed.progress__point--first {
    transform: translateX(-50%) scale(1.1);
}

.progress__point--completed.progress__point--last {
    transform: translateX(50%) scale(1.1);
}

.progress__name {
    position: absolute;
    top: -45px;
    white-space: nowrap;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-secondary);
    transform: translateX(-50%);
    left: 50%;
    text-align: center;
    min-width: 90px;
}

.progress__point--first .progress__name {
    transform: translateX(0%);
    left: 0;
    text-align: left;
    min-width: unset;
}

.progress__point--last .progress__name {
    transform: translateX(-100%);
    left: 100%;
    text-align: right;
    min-width: unset;
}

.progress__point--completed .progress__name {
    color: var(--secondary-blue);
    font-weight: 700;
}
/* Cards de Informações Modernizados */
.detail-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.detail-card {
    background: var(--card-gradient);
    border-radius: var(--border-radius);
    padding: 2rem;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-medium);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.detail-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--primary-gradient);
}

.detail-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-large);
}

.detail-card h3 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    text-align: center;
}

.detail-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-color);
    transition: background-color 0.2s ease;
}

.detail-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.detail-item:hover {
    background-color: var(--light-blue);
    margin: 0 -1rem;
    padding-left: 1rem;
    padding-right: 1rem;
    border-radius: 8px;
}

.detail-item strong {
    color: var(--text-primary);
    font-weight: 600;
    font-size: 0.95rem;
}

.detail-item span {
    color: var(--text-secondary);
    font-weight: 500;
}

/* Card de Entrega Especial */
.detail-card--delivery {
    background: linear-gradient(135deg, var(--secondary-blue) 0%, var(--primary-blue) 100%);
    color: var(--white);
    text-align: center;
}

.detail-card--delivery::before {
    display: none;
}

.detail-card--delivery h3 {
    color: var(--white);
    margin-bottom: 2rem;
}

.detail-delivery-day {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 0.5rem;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.detail-delivery-date {
    font-size: 1.6rem;
    color: rgba(255,255,255,0.9);
    margin-bottom: 1rem;
    font-weight: 600;
}
/* Timeline de Eventos Moderna */
.latest-update {
    background: var(--card-gradient);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-medium);
    padding: 2.5rem;
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.latest-update::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--primary-gradient);
}

.latest-update-status-highlight {
    font-size: 2rem;
    font-weight: 800;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.latest-update-title {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 2rem;
    text-align: center;
    position: relative;
}

.latest-update-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--primary-gradient);
    border-radius: 2px;
}

.event-list {
    list-style: none;
    padding: 0;
    position: relative;
    text-align: left;
}

/* Linha principal da timeline */
.event-list::before {
    content: '';
    position: absolute;
    left: 20px;
    top: 10px;
    bottom: 20px;
    width: 3px;
    background: var(--primary-gradient);
    border-radius: 2px;
    z-index: 0;
}

.event-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 2rem;
    padding-left: 60px;
    position: relative;
    transition: all 0.3s ease;
}

.event-item:last-child {
    margin-bottom: 0;
}

.event-item:hover {
    transform: translateX(8px);
}

/* Ícone do evento */
.event-item::before {
    content: '';
    position: absolute;
    left: 12px;
    top: 8px;
    width: 16px;
    height: 16px;
    background: var(--secondary-blue);
    border-radius: 50%;
    z-index: 1;
    border: 4px solid var(--white);
    box-shadow: 0 0 0 2px var(--secondary-blue);
}

.event-date-time {
    flex: 0 0 140px;
    margin-right: 2rem;
    font-size: 0.95rem;
    color: var(--text-secondary);
    font-weight: 600;
    text-align: left;
    line-height: 1.4;
    padding: 0.5rem 0;
}

.event-details {
    flex: 1;
    padding: 0.5rem 0;
}

.event-process {
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.event-location {
    font-size: 0.95rem;
    color: var(--text-secondary);
    font-weight: 500;
    line-height: 1.5;
}

/* Loader Moderno */
.loader {
    width: 50px;
    height: 50px;
    margin: 3rem auto;
    position: relative;
}

.loader::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 4px solid var(--light-blue);
    border-top: 4px solid var(--secondary-blue);
    border-radius: 50%;
    animation: modernSpin 1s linear infinite;
}

.loader::after {
    content: '';
    position: absolute;
    top: 10px;
    left: 10px;
    width: calc(100% - 20px);
    height: calc(100% - 20px);
    border: 2px solid transparent;
    border-top: 2px solid var(--accent-blue);
    border-radius: 50%;
    animation: modernSpin 0.7s linear infinite reverse;
}

@keyframes modernSpin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Footer Moderno */
.footer {
    background: var(--primary-gradient);
    color: var(--white);
    padding: 2rem 0;
    text-align: center;
    margin-top: 4rem;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: -50%;
    width: 200%;
    height: 100%;
    background: radial-gradient(ellipse at center, rgba(255,255,255,0.1) 0%, transparent 50%);
    animation: shimmer 3s ease-in-out infinite;
}

@keyframes shimmer {
    0%, 100% { transform: translateX(0); }
    50% { transform: translateX(25%); }
}

.footer p {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
    position: relative;
    z-index: 2;
}

/* Responsividade Aprimorada */
@media (max-width: 768px) {
    .header__logo {
        font-size: 2rem;
    }

    .tracking-id-title {
        font-size: 2.2rem;
    }

    .tracking-id-subtitle {
        font-size: 1.1rem;
    }

    .card {
        padding: 2rem;
    }

    .detail-section {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .detail-card {
        padding: 1.5rem;
    }

    .progress-bar-container {
        padding: 2rem 1.5rem;
    }

    .progress__name {
        font-size: 0.85rem;
        top: -40px;
        min-width: 70px;
    }

    .progress__point--first .progress__name,
    .progress__point--last .progress__name {
        min-width: unset;
    }

    /* Timeline responsiva */
    .event-item {
        flex-direction: column;
        align-items: flex-start;
        padding-left: 50px;
        margin-bottom: 1.5rem;
    }

    .event-item::before {
        left: 10px;
        top: 10px;
    }

    .event-list::before {
        left: 18px;
    }

    .event-date-time {
        text-align: left;
        margin-right: 0;
        margin-bottom: 0.75rem;
        flex-basis: auto;
        font-size: 0.9rem;
    }

    .event-details {
        width: 100%;
    }

    .latest-update-status-highlight {
        font-size: 1.6rem;
    }

    .latest-update-title {
        font-size: 1.2rem;
        margin-bottom: 1.5rem;
    }
}

@media (max-width: 480px) {
    .app-content {
        padding: 2rem 0;
    }

    .container {
        padding: 0 1rem;
    }

    .card {
        padding: 1.5rem;
        border-radius: var(--border-radius);
    }

    .tracking-id-title {
        font-size: 1.8rem;
    }

    .input {
        padding: 1rem 1.2rem;
        font-size: 1rem;
    }

    .button {
        padding: 1rem 2rem;
        font-size: 1rem;
        min-width: 160px;
    }

    .progress__name {
        font-size: 0.8rem;
        top: -35px;
        min-width: 60px;
    }

    .progress__point {
        width: 20px;
        height: 20px;
    }

    .detail-card {
        padding: 1.2rem;
    }

    .latest-update {
        padding: 1.5rem;
    }

    .latest-update-status-highlight {
        font-size: 1.4rem;
    }

    .latest-update-title {
        font-size: 1.1rem;
        margin-bottom: 1.2rem;
    }

    .event-process {
        font-size: 1rem;
    }

    .event-location {
        font-size: 0.9rem;
    }
}

/* Animações adicionais */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.card {
    animation: fadeIn 0.6s ease-out;
}

/* Estados de hover e focus aprimorados */
.detail-card:hover .detail-item {
    transition: all 0.2s ease;
}

.input:focus {
    animation: inputFocus 0.3s ease;
}

@keyframes inputFocus {
    0% { transform: scale(1); }
    50% { transform: scale(1.02); }
    100% { transform: scale(1); }
}

/* Melhorias de acessibilidade */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}