:root {
    --bg-main: #111827;
    --bg-surface: #1f2937;
    --bg-field: #374151;
    --text-main: #f3f4f6;
    --text-soft: #9ca3af;
    --primary: #3b82f6;
    --primary-hover: #60a5fa;
    --success: #10b981;
    --danger-bg: rgba(239, 68, 68, 0.14);
    --danger-border: rgba(248, 113, 113, 0.35);
    --danger-text: #fca5a5;
    --border-soft: rgba(148, 163, 184, 0.28);
    --shadow-soft: 0 14px 40px rgba(2, 6, 23, 0.55);
    --radius-lg: 16px;
    --radius-md: 12px;
}

* {
    box-sizing: border-box;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.is-hidden {
    display: none !important;
}

body {
    margin: 0;
    min-height: 100vh;
    background:
        radial-gradient(circle at 10% 0%, rgba(59, 130, 246, 0.2), transparent 30%),
        radial-gradient(circle at 90% 20%, rgba(16, 185, 129, 0.08), transparent 38%),
        var(--bg-main);
    color: var(--text-main);
    font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
    display: flex;
    justify-content: center;
    padding: 1.25rem 1rem 2rem;
}

.layout {
    width: min(100%, 1120px);
}

.hero {
    background: linear-gradient(145deg, rgba(17, 24, 39, 0.95), rgba(31, 41, 55, 0.82));
    border: 1px solid var(--border-soft);
    border-radius: 22px;
    box-shadow: var(--shadow-soft);
    padding: 2rem;
}

.logout-btn {
    margin: 0 0.1rem 0.55rem auto;
    width: 2.45rem;
    height: 2.45rem;
    border-radius: 999px;
    border: 1px solid rgba(248, 113, 113, 0.45);
    background: rgba(127, 29, 29, 0.35);
    color: #fecaca;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: filter 0.18s ease, background-color 0.18s ease, transform 0.18s ease;
}

.logout-btn svg {
    width: 1.05rem;
    height: 1.05rem;
}

.logout-btn:hover {
    background: rgba(127, 29, 29, 0.52);
    filter: brightness(1.05);
}

.logout-btn:active {
    transform: translateY(1px);
}

.logout-btn:focus {
    outline: none;
    box-shadow: 0 0 0 2px rgba(248, 113, 113, 0.3);
}

.title {
    margin: .5rem 0 2rem;
    text-align: center;
    font-size: 1.35rem;
    line-height: 1.2;
    font-weight: 800;
    letter-spacing: 0.03em;
    text-transform: uppercase;
}

.login-wrap {
    margin: 0 0 0.35rem;
}

.login-row {
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
}

.login-password-wrap {
    position: relative;
}

.login-password-wrap .search-input {
    padding-right: 5.9rem;
}

.password-toggle-btn {
    position: absolute;
    right: 0.45rem;
    top: 50%;
    transform: translateY(-50%);
    width: 2.05rem;
    height: 2.05rem;
    padding: 0;
    border: 1px solid rgba(96, 165, 250, 0.36);
    background: rgba(15, 23, 42, 0.72);
    color: var(--text-main);
    border-radius: 9px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: filter 0.18s ease, background-color 0.18s ease;
}

.password-eye-icon {
    width: 1.02rem;
    height: 1.02rem;
}

.password-toggle-btn:hover {
    filter: brightness(1.08);
}

.password-toggle-btn:focus {
    outline: none;
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.36);
}

.password-toggle-btn:disabled {
    opacity: 0.55;
    cursor: not-allowed;
}

.login-btn {
    width: 100%;
}

.login-feedback {
    margin-top: 0.22rem;
}

.session-status {
    margin: 0.2rem 0 1rem;
    font-size: 0.82rem;
    color: var(--text-soft);
}

.session-status.ok {
    color: #6ee7b7;
}

.session-status.warn {
    color: #fda4af;
}

.search-wrap {
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
}

.search-input {
    width: 100%;
    border: 1px solid rgba(96, 165, 250, 0.35);
    background: var(--bg-field);
    color: var(--text-main);
    border-radius: var(--radius-md);
    outline: none;
    font-size: 1rem;
    line-height: 1.2;
    padding: 0.9rem 0.95rem;
    transition: border-color 0.22s ease, box-shadow 0.22s ease;
}

.search-input::placeholder {
    color: #b6c0cf;
}

.search-input:focus {
    border-color: var(--primary-hover);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.28);
}

.search-input:disabled {
    opacity: 0.66;
    cursor: not-allowed;
}

.search-btn {
    border: 0;
    border-radius: var(--radius-md);
    cursor: pointer;
    background: linear-gradient(145deg, var(--primary), #2563eb);
    color: #ffffff;
    font-weight: 800;
    font-size: 0.95rem;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    padding: 0.9rem 1rem;
    width: 100%;
    transition: transform 0.18s ease, filter 0.18s ease, box-shadow 0.2s ease;
}

.search-btn:hover {
    filter: brightness(1.08);
    box-shadow: 0 8px 22px rgba(59, 130, 246, 0.38);
}

.search-btn:active {
    transform: translateY(1px);
}

.search-btn:disabled {
    cursor: wait;
    filter: grayscale(0.08) brightness(0.92);
    box-shadow: none;
}

.feedback {
    min-height: 1.1rem;
    font-size: 0.82rem;
    color: #fda4af;
    margin-top: 0.2rem;
}

.section-title {
    display: none;
    margin: 1.25rem 0 0.7rem;
    text-transform: uppercase;
    font-size: 1.02rem;
    letter-spacing: 0.025em;
    font-weight: 800;
}

.section-title.visible {
    display: block;
}

.loader {
    display: none;
    background: rgba(31, 41, 55, 0.72);
    border: 1px solid var(--border-soft);
    border-radius: var(--radius-lg);
    padding: 0.95rem 1rem;
}

.loader.active {
    display: block;
}

.loader-track {
    width: 100%;
    height: 9px;
    border-radius: 999px;
    background: rgba(71, 85, 105, 0.56);
    overflow: hidden;
}

.loader-bar {
    width: 36%;
    height: 100%;
    border-radius: inherit;
    background: linear-gradient(90deg, #2563eb, #60a5fa);
    animation: loading 0.95s infinite linear;
}

@keyframes loading {
    from {
        transform: translateX(-150%);
    }
    to {
        transform: translateX(380%);
    }
}

.result-card,
.alert-card {
    display: none;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-soft);
    background: rgba(31, 41, 55, 0.88);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.result-card.visible,
.alert-card.visible {
    display: block;
}

.result-card {
    padding: 1rem 1rem 0.9rem;
}

.status-row {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    color: var(--success);
    font-weight: 800;
    text-transform: uppercase;
    font-size: 0.92rem;
    letter-spacing: 0.02em;
    margin-bottom: 0.72rem;
}

.status-row.status-green {
    color: var(--success);
}

.status-row.status-red {
    color: #f87171;
}

.status-row.status-blue {
    color: #60a5fa;
}

.status-dot {
    width: 11px;
    height: 11px;
    border-radius: 50%;
    background: var(--success);
    box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.2);
    flex: 0 0 auto;
}

.status-dot.status-green {
    background: var(--success);
    box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.2);
}

.status-dot.status-red {
    background: #f87171;
    box-shadow: 0 0 0 4px rgba(248, 113, 113, 0.22);
}

.status-dot.status-blue {
    background: #60a5fa;
    box-shadow: 0 0 0 4px rgba(96, 165, 250, 0.24);
}

.data-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.72rem;
}

.data-item {
    display: flex;
    gap: 0.55rem;
    align-items: flex-start;
    border-top: 1px solid rgba(148, 163, 184, 0.14);
    padding-top: 0.62rem;
}

.data-item:first-child {
    border-top: 0;
    padding-top: 0;
}

.data-icon {
    width: 18px;
    color: #93c5fd;
    margin-top: 2px;
    flex: 0 0 auto;
}

.data-icon svg {
    width: 18px;
    height: 18px;
    display: block;
}

.data-label {
    color: var(--text-soft);
    font-size: 0.88rem;
}

.data-value {
    color: var(--text-main);
    font-size: 0.96rem;
    font-weight: 600;
}

.data-contact-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.55rem;
}

.whatsapp-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.3rem 0.62rem;
    border-radius: 999px;
    border: 1px solid rgba(16, 185, 129, 0.46);
    background: rgba(16, 185, 129, 0.18);
    color: #6ee7b7;
    text-decoration: none;
    font-size: 0.77rem;
    font-weight: 700;
    line-height: 1;
    transition: background-color 0.18s ease, filter 0.18s ease, transform 0.18s ease;
}

.whatsapp-btn:hover {
    background: rgba(16, 185, 129, 0.26);
    filter: brightness(1.07);
}

.whatsapp-btn:active {
    transform: translateY(1px);
}

.whatsapp-btn.hidden {
    display: none;
}

.alert-card {
    margin-top: 0.85rem;
    padding: 0.85rem 0.95rem;
    background: var(--danger-bg);
    border-color: var(--danger-border);
    color: #ffe4e6;
}

.alert-row {
    display: flex;
    align-items: flex-start;
    gap: 0.55rem;
}

.alert-icon {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: rgba(248, 113, 113, 0.24);
    color: var(--danger-text);
    font-size: 0.8rem;
    display: inline-flex;
    justify-content: center;
    align-items: center;
    margin-top: 1px;
    flex: 0 0 auto;
}

.alert-text strong {
    color: #fecaca;
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

.alert-text {
    color: #ffe4e6;
}

.meta {
    margin-top: 1.3rem;
    color: var(--text-soft);
    font-size: 0.8rem;
    text-align: center;
}

@media (min-width: 860px) {
    body {
        padding: 3rem 1.25rem;
    }

    .hero {
        padding: 2rem 2rem 1.8rem;
    }

    .title {
        font-size: 2.2rem;
        margin-bottom: 1.7rem;
    }

    .search-wrap {
        max-width: 820px;
        margin: 0 auto;
        display: grid;
        grid-template-columns: 1fr 200px;
        gap: 0.75rem;
        align-items: start;
    }

    .login-wrap {
        max-width: 820px;
        margin: 0 auto 0.35rem;
    }

    .login-row {
        display: grid;
        grid-template-columns: 1fr 1fr 170px;
        gap: 0.75rem;
        align-items: start;
    }

    .session-status {
        max-width: 820px;
        margin: 0.2rem auto 1rem;
    }

    .search-input {
        padding: 1rem 1.05rem;
        font-size: 1.06rem;
    }

    .search-btn {
        width: 100%;
        height: 100%;
        min-height: 54px;
    }

    .feedback {
        grid-column: 1 / -1;
        margin: 0.1rem 0 0;
    }

    .section-title {
        max-width: 820px;
        margin: 1.2rem auto 0.78rem;
        font-size: 1.2rem;
    }

    .result-card,
    .loader,
    .alert-card {
        max-width: 820px;
        margin-left: auto;
        margin-right: auto;
    }

    .result-card {
        padding: 1.05rem 1.2rem 1rem;
    }

    .data-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        column-gap: 1rem;
        row-gap: 0.8rem;
    }
}