:root {
    --brand-blue: #004aad;
    --brand-blue-light: #005cd6;
    --brand-blue-dark: #00368a;
    --brand-green: #008542;
    --brand-green-dark: #006b35;
    --brand-yellow: #ffbb12;
    --brand-red: #dc2626;
    --brand-black: #0f172a;
    --brand-bg: #f1f5f9;
    --brand-text: #1e293b;
    --brand-muted: #64748b;
    --brand-border: #e2e8f0;
    --brand-border-strong: #cbd5e1;
}

* {
    box-sizing: border-box;
}

html,
body {
    min-height: 100%;
}

body {
    margin: 0;
    background-color: var(--brand-bg);
    font-family: 'Plus Jakarta Sans', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    color: var(--brand-text);
    -webkit-font-smoothing: antialiased;
}

.app-container {
    max-width: 480px;
    margin: 0 auto;
    background-color: #ffffff;
    min-height: 100vh;
    position: relative;
    padding-bottom: 40px;
    box-shadow: 0 0 40px rgba(15, 23, 42, 0.06);
}

.header-gradient {
    background: linear-gradient(135deg, var(--brand-blue-light) 0%, var(--brand-blue) 100%);
    color: #ffffff;
    border-bottom-left-radius: 28px;
    border-bottom-right-radius: 28px;
    padding: 24px 20px 32px 20px;
    box-shadow: 0 12px 30px rgba(0, 74, 173, 0.15);
    position: relative;
    overflow: hidden;
}

.header-gradient::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 6px;
    background: linear-gradient(
        to right,
        #004aad 0%,
        #004aad 33.33%,
        #008542 33.33%,
        #008542 66.66%,
        #ffbb12 66.66%,
        #ffbb12 100%
    );
    border-bottom-left-radius: 28px;
    border-bottom-right-radius: 28px;
}

.header-kicker {
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.7);
}

.header-title {
    font-size: 1.85rem;
    line-height: 1.08;
    font-weight: 800;
    margin: 6px 0 0;
    letter-spacing: -0.04em;
}

.header-subtitle {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.78);
    margin-top: 8px;
    margin-bottom: 0;
    max-width: 320px;
}

.header-action {
    width: 48px;
    height: 48px;
    border-radius: 16px;
    background-color: rgba(255, 255, 255, 0.14);
    border: 1px solid rgba(255, 255, 255, 0.16);
    color: #ffffff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    box-shadow: inset 0 0 0 1px rgba(255,255,255,0.03);
}

.header-action:hover,
.header-action:focus {
    color: #ffffff;
    background-color: rgba(255, 255, 255, 0.2);
}

.status-card {
    margin: -18px 18px 22px 18px;
    background-color: #ffffff;
    border: 1px solid var(--brand-border);
    border-radius: 22px;
    box-shadow: 0 10px 28px rgba(15, 23, 42, 0.08);
    position: relative;
    z-index: 3;
    padding: 18px 20px;
}

.status-label {
    display: block;
    font-size: 0.72rem;
    font-weight: 800;
    color: #7c8ba1;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 5px;
}

.status-value {
    color: var(--brand-text);
    font-weight: 800;
    font-size: 0.95rem;
    line-height: 1.2;
}

.status-ok {
    color: var(--brand-green);
    font-weight: 800;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.card-custom {
    border: 1px solid var(--brand-border);
    border-radius: 20px;
    background-color: #ffffff;
    box-shadow: 0 4px 18px rgba(15, 23, 42, 0.02);
    margin-bottom: 16px;
    padding: 20px;
}

.card-hero-icon {
    width: 58px;
    height: 58px;
    border-radius: 20px;
    background-color: #e6f0ff;
    color: var(--brand-blue);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.9rem;
    margin-bottom: 12px;
}

.field-label {
    display: block;
    font-size: 0.88rem;
    font-weight: 800;
    color: #334155;
    margin-bottom: 8px;
}

.input-premium {
    width: 100%;
    height: 58px;
    border: 1px solid var(--brand-border-strong);
    border-radius: 16px;
    padding: 0 18px;
    background-color: #ffffff;
    color: var(--brand-text);
    font-size: 1rem;
    font-weight: 700;
    outline: none;
    transition: all 0.2s ease;
}

.input-premium:focus {
    border-color: var(--brand-blue);
    box-shadow: 0 0 0 4px rgba(0, 74, 173, 0.1);
}

.input-premium::placeholder {
    color: #94a3b8;
    font-weight: 600;
}

.btn-brand-blue,
.btn-brand-green,
.btn-brand-black,
.btn-brand-red,
.btn-brand-yellow-alert,
.btn-outline-custom {
    height: 54px;
    border-radius: 14px;
    font-weight: 800;
    font-size: 0.95rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: none;
    text-decoration: none;
}

.btn-brand-blue {
    background-color: var(--brand-blue);
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(0, 74, 173, 0.22);
}

.btn-brand-blue:hover,
.btn-brand-blue:focus {
    background-color: var(--brand-blue-dark);
    color: #ffffff;
}

.btn-brand-green {
    background-color: var(--brand-green);
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(0, 133, 66, 0.22);
}

.btn-brand-green:hover,
.btn-brand-green:focus {
    background-color: var(--brand-green-dark);
    color: #ffffff;
}

.btn-brand-black {
    background-color: var(--brand-black);
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(15, 23, 42, 0.22);
}

.btn-brand-black:hover,
.btn-brand-black:focus {
    background-color: #000000;
    color: #ffffff;
}

.btn-brand-red {
    background-color: var(--brand-red);
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(220, 38, 38, 0.22);
}

.btn-brand-red:hover,
.btn-brand-red:focus {
    background-color: #b91c1c;
    color: #ffffff;
}

.btn-brand-yellow-alert {
    background-color: var(--brand-yellow);
    color: var(--brand-text);
    box-shadow: 0 4px 12px rgba(255, 187, 18, 0.22);
}

.btn-outline-custom {
    background-color: #ffffff;
    color: var(--brand-muted);
    border: 1px solid var(--brand-border-strong);
}

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

.btn:disabled {
    opacity: 0.72;
    transform: none;
}

.feedback-inline {
    margin-top: 10px;
    font-size: 0.85rem;
    font-weight: 700;
}

.app-modal-overlay {
    position: fixed !important;
    inset: 0 !important;
    background-color: rgba(15, 23, 42, 0.55) !important;
    backdrop-filter: blur(5px) !important;
    -webkit-backdrop-filter: blur(5px) !important;
    z-index: 3000 !important;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.app-modal-overlay.active {
    display: flex !important;
}

.app-modal-card {
    background-color: #ffffff;
    border-radius: 24px;
    width: 100%;
    max-width: 400px;
    padding: 26px 24px;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.16);
    text-align: center;
    transform: scale(0.92);
    transition: transform 0.2s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.app-modal-overlay.active .app-modal-card {
    transform: scale(1);
}

.modal-icon {
    font-size: 2.6rem;
    line-height: 1;
    margin-bottom: 14px;
}

.modal-icon-blue {
    color: #1877f2;
}

.modal-icon-green {
    color: var(--brand-green);
}

.modal-icon-yellow {
    color: var(--brand-yellow);
}

.result-pill {
    background-color: #f8fafc;
    border: 1px solid var(--brand-border);
    border-radius: 16px;
    padding: 12px 14px;
    text-align: left;
    color: var(--brand-text);
    font-size: 0.88rem;
    font-weight: 600;
    margin-bottom: 14px;
}

.app-bottom-nav {
    position: fixed;
    left: 50%;
    bottom: 16px;
    transform: translateX(-50%);
    width: min(440px, calc(100% - 32px));
    background: var(--brand-blue);
    border-radius: 22px;
    box-shadow: 0 14px 28px rgba(0, 74, 173, 0.28);
    z-index: 1200;
    padding: 9px 10px;
    display: flex;
    align-items: center;
    justify-content: space-around;
}

.app-bottom-nav a,
.app-bottom-nav button {
    border: 0;
    background: transparent;
    color: rgba(255,255,255,0.68);
    text-decoration: none;
    font-size: 0.72rem;
    font-weight: 700;
    min-width: 66px;
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    gap: 3px;
    padding: 4px 2px;
}

.app-bottom-nav i {
    font-size: 1.18rem;
}

.app-bottom-nav .active {
    color: var(--brand-yellow);
}

.animate-fade {
    animation: fadeInUpApp 0.4s cubic-bezier(0.16, 1, 0.3, 1) both;
}

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

@media (max-width: 380px) {
    .header-title {
        font-size: 1.55rem;
    }

    .status-card {
        margin-left: 14px;
        margin-right: 14px;
    }

    .card-custom {
        padding: 18px;
    }
}