:root {
    --bg: #f5f7fb;
    --bg-soft: #edf2f7;
    --panel: rgba(255,255,255,0.92);
    --panel-strong: #ffffff;
    --line: rgba(15, 23, 42, 0.08);
    --line-strong: rgba(15, 23, 42, 0.14);
    --text: #0f172a;
    --text-soft: #475569;
    --accent: #75acd6;
    --accent-dark: #4e8ebf;
    --accent-soft: rgba(117, 172, 214, 0.15);
    --shadow: 0 28px 60px rgba(15, 23, 42, 0.08);
    --radius-xl: 32px;
    --radius-lg: 24px;
    --radius-md: 18px;
}

* {
    box-sizing: border-box;
}

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

body {
    margin: 0;
    font-family: 'Inter', sans-serif;
    color: var(--text);
    background:
        radial-gradient(circle at top left, rgba(117, 172, 214, 0.10), transparent 18%),
        radial-gradient(circle at top right, rgba(191, 219, 254, 0.22), transparent 24%),
        linear-gradient(180deg, #fbfdff, #f5f7fb 34%, #eef3f8 100%);
}

.admin-surface {
    background:
        radial-gradient(circle at 10% 0%, rgba(117, 172, 214, 0.14), transparent 20%),
        radial-gradient(circle at 90% 10%, rgba(191, 219, 254, 0.20), transparent 18%),
        linear-gradient(180deg, #fdfefe, #f5f8fc 38%, #eef3f8 100%);
}

.public-surface {
    background:
        radial-gradient(circle at top center, rgba(117, 172, 214, 0.12), transparent 18%),
        linear-gradient(180deg, #fbfdff, #f3f7fb 100%);
}

.brand-logo,
.hero-logo {
    display: block;
    height: auto;
}

.brand-logo {
    width: 150px;
}

.hero-logo {
    width: 210px;
}

.brand-copy {
    line-height: 1.1;
}

.brand-domain {
    font-weight: 800;
    color: var(--text);
    letter-spacing: 0.04em;
}

.brand-copy small {
    color: var(--text-soft);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 0.72rem;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.45rem 0.85rem;
    border-radius: 999px;
    background: var(--accent-soft);
    color: var(--accent-dark);
    font-size: 0.85rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.panel-card,
.public-hero-card,
.public-file-card,
.password-card,
.stat-card,
.benefit-card,
.mini-info-card {
    background: rgba(255,255,255,0.88);
    border: 1px solid var(--line);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow);
}

.panel-card {
    padding: 2rem;
}

.panel-card-large {
    padding: 2.2rem;
}

.panel-card-highlight {
    padding: 2rem;
    background: linear-gradient(180deg, rgba(255,255,255,0.96), rgba(248,251,255,0.96));
}

.benefit-card,
.mini-info-card,
.stat-card {
    padding: 1.25rem;
}

.benefit-card i {
    width: 48px;
    height: 48px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 16px;
    background: var(--accent-soft);
    color: var(--accent-dark);
    font-size: 1.2rem;
    margin-bottom: 0.85rem;
}

.benefit-card strong,
.mini-info-card strong,
.stat-card strong {
    display: block;
    font-size: 1rem;
    margin-bottom: 0.35rem;
}

.benefit-card span,
.mini-info-card span,
.stat-card small,
.text-secondary,
.small {
    color: var(--text-soft) !important;
}

.form-label {
    color: var(--text);
    font-weight: 600;
    margin-bottom: 0.55rem;
}

.form-control,
.form-select {
    min-height: 56px;
    border-radius: var(--radius-md);
    border-color: rgba(15, 23, 42, 0.10);
    background: rgba(248, 250, 252, 0.85);
    color: var(--text);
    padding: 0.9rem 1rem;
}

textarea.form-control {
    min-height: 130px;
}

.form-control:focus,
.form-select:focus {
    border-color: rgba(117, 172, 214, 0.48);
    box-shadow: 0 0 0 0.2rem rgba(117, 172, 214, 0.15);
    background: #fff;
}

.form-control::placeholder {
    color: #94a3b8;
}

.dropzone {
    border: 1.5px dashed rgba(117, 172, 214, 0.38);
    background: linear-gradient(180deg, rgba(255,255,255,0.94), rgba(244,248,252,0.94));
    border-radius: 28px;
    cursor: pointer;
    transition: 0.25s ease;
}

.dropzone:hover,
.dropzone.is-dragover {
    transform: translateY(-2px);
    border-color: var(--accent-dark);
    background: linear-gradient(180deg, rgba(255,255,255,1), rgba(239,246,252,1));
}

.dropzone-inner {
    padding: 2rem;
}

.dropzone-icon,
.password-icon {
    width: 72px;
    height: 72px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 22px;
    background: var(--accent-soft);
    color: var(--accent-dark);
    font-size: 1.6rem;
}

.file-list {
    display: grid;
    gap: 0.75rem;
}

.file-chip {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.15rem;
    border-radius: 20px;
    border: 1px solid var(--line);
    background: #fff;
}

.file-chip-icon {
    width: 42px;
    height: 42px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 14px;
    background: var(--accent-soft);
    color: var(--accent-dark);
}

.stack-list {
    display: grid;
    gap: 1rem;
}

.mini-info-card {
    background: rgba(255,255,255,0.74);
}

.stat-card small {
    display: block;
    font-size: 0.95rem;
    margin-bottom: 0.25rem;
}

.stat-card strong {
    font-size: 2.1rem;
    line-height: 1;
}

.table-modern {
    --bs-table-bg: transparent;
    --bs-table-color: var(--text);
    --bs-table-border-color: rgba(15, 23, 42, 0.06);
}

.table-modern thead th {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-soft);
    border-bottom-width: 1px;
}

.table-modern tbody td {
    padding-top: 1rem;
    padding-bottom: 1rem;
}

.btn {
    border-radius: 999px;
    font-weight: 700;
    min-height: 48px;
    padding-left: 1.2rem;
    padding-right: 1.2rem;
}

.btn-primary {
    --bs-btn-bg: var(--accent);
    --bs-btn-border-color: var(--accent);
    --bs-btn-hover-bg: var(--accent-dark);
    --bs-btn-hover-border-color: var(--accent-dark);
    --bs-btn-active-bg: var(--accent-dark);
    --bs-btn-active-border-color: var(--accent-dark);
    --bs-btn-color: #fff;
}

.btn-dark {
    --bs-btn-bg: #0f172a;
    --bs-btn-border-color: #0f172a;
    --bs-btn-hover-bg: #1e293b;
    --bs-btn-hover-border-color: #1e293b;
    --bs-btn-color: #fff;
}

.btn-light {
    --bs-btn-bg: #fff;
    --bs-btn-border-color: rgba(15,23,42,0.12);
    --bs-btn-hover-bg: #f8fafc;
    --bs-btn-hover-border-color: rgba(15,23,42,0.16);
    --bs-btn-color: var(--text);
}

.email-copy-box {
    min-height: 220px;
    background: #fff;
}

.public-container {
    max-width: 1240px;
}

.public-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.public-brand {
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    text-decoration: none;
    color: var(--text);
    font-weight: 700;
}

.public-brand img {
    width: 170px;
    height: auto;
    display: block;
}

.public-title {
    font-size: clamp(2rem, 4vw, 3.6rem);
    font-weight: 800;
    line-height: 1.05;
    letter-spacing: -0.03em;
}

.public-lead {
    color: var(--text-soft);
    font-size: 1.08rem;
    max-width: 760px;
}

.public-meta span {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    border-radius: 999px;
    background: rgba(255,255,255,0.74);
    color: var(--text-soft);
    border: 1px solid var(--line);
}

.public-hero-card {
    padding: 2rem;
}

.public-info-box {
    border: 1px solid var(--line);
    border-radius: 24px;
    padding: 1.25rem;
    background: rgba(248,250,252,0.8);
}

.public-info-box small,
.public-recipient small,
.public-file-type {
    display: block;
    color: var(--text-soft);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    font-size: 0.75rem;
    margin-bottom: 0.3rem;
}

.public-info-box strong,
.public-recipient strong {
    font-size: 1rem;
}

.password-card {
    max-width: 500px;
    text-align: center;
    padding: 2rem;
}

.public-file-card {
    overflow: hidden;
    height: 100%;
}

.public-file-preview {
    aspect-ratio: 16 / 10;
    background: linear-gradient(180deg, #f5f8fc, #eef4f9);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    border-bottom: 1px solid var(--line);
}

.public-file-preview img,
.public-file-preview video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.public-doc-icon {
    font-size: 4rem;
    color: var(--accent-dark);
}

.public-file-title {
    font-size: 1.05rem;
    font-weight: 700;
    line-height: 1.35;
}

.alert {
    border-radius: 20px !important;
}

.navbar {
    backdrop-filter: blur(10px);
    background: rgba(255,255,255,0.85) !important;
}

@media (max-width: 991.98px) {
    .panel-card,
    .panel-card-large,
    .panel-card-highlight,
    .public-hero-card,
    .password-card {
        padding: 1.4rem;
    }

    .hero-logo {
        width: 170px;
    }

    .brand-logo {
        width: 128px;
    }
}

@media (max-width: 767.98px) {
    .segmented-choice {
        grid-template-columns: 1fr;
    }

    .public-brand img {
        width: 140px;
    }

    .public-title {
        font-size: 2rem;
    }

    .dropzone-inner {
        padding: 1.4rem;
    }
}


.segmented-choice {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
}

.choice-card {
    position: relative;
    display: block;
    padding: 1.15rem 1.2rem;
    border: 1px solid var(--line);
    border-radius: 24px;
    background: rgba(255,255,255,0.82);
    cursor: pointer;
    transition: 0.2s ease;
}

.choice-card:hover {
    transform: translateY(-1px);
    border-color: rgba(117, 172, 214, 0.35);
}

.choice-card.active {
    border-color: rgba(117, 172, 214, 0.55);
    box-shadow: inset 0 0 0 1px rgba(117, 172, 214, 0.18);
    background: linear-gradient(180deg, rgba(255,255,255,0.98), rgba(240,247,252,0.96));
}

.choice-card input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.choice-title {
    display: block;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.choice-text {
    display: block;
    color: var(--text-soft);
    font-size: 0.95rem;
}