:root {
    --bg: #030405;
    --panel: rgba(12, 13, 18, 0.86);
    --panel-strong: rgba(17, 18, 25, 0.94);
    --line: rgba(255, 255, 255, 0.11);
    --text: #f7f7f8;
    --muted: #a6adba;
    --soft: #d7dbe4;
    --orange: #ff9b4a;
    --coral: #f26672;
    --magenta: #b427c8;
    --purple: #5d45b8;
    --blue: #1d6fa9;
    --danger: #ff6f7d;
}

* {
    box-sizing: border-box;
}

body {
    min-height: 100vh;
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    color: var(--text);
    background:
        radial-gradient(circle at 14% 8%, rgba(255, 155, 74, 0.16), transparent 24rem),
        radial-gradient(circle at 88% 16%, rgba(29, 111, 169, 0.14), transparent 22rem),
        radial-gradient(circle at 50% 95%, rgba(180, 39, 200, 0.16), transparent 28rem),
        linear-gradient(135deg, #030405 0%, #0d0f14 52%, #040405 100%);
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    background-image: linear-gradient(rgba(255, 255, 255, 0.024) 1px, transparent 1px);
    background-size: 100% 42px;
    mask-image: linear-gradient(to bottom, transparent, #000 16%, #000 80%, transparent);
}

.page {
    position: relative;
    width: min(980px, calc(100% - 32px));
    margin: 0 auto;
    padding: 42px 0;
}

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

.login-panel,
.upload-panel,
.info-panel,
.track,
.manage-track {
    border: 1px solid var(--line);
    border-radius: 8px;
    background: linear-gradient(180deg, rgba(18, 19, 26, 0.92), rgba(8, 9, 13, 0.88));
    box-shadow: 0 22px 64px rgba(0, 0, 0, 0.36);
    backdrop-filter: blur(12px);
}

.login-panel {
    max-width: 440px;
    margin: 8vh auto 0;
    padding: 30px;
    text-align: center;
}

.login-logo {
    display: block;
    width: min(260px, 78%);
    height: auto;
    margin: 0 auto 22px;
    filter: drop-shadow(0 18px 42px rgba(0, 0, 0, 0.58));
}

.site-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    margin-bottom: 28px;
    padding-bottom: 22px;
}

.site-logo {
    display: block;
    width: 152px;
    height: auto;
    filter: drop-shadow(0 14px 30px rgba(0, 0, 0, 0.48));
}

.site-menu {
    position: relative;
    flex: 0 0 auto;
}

.site-menu summary {
    display: inline-grid;
    grid-auto-rows: 2px;
    align-content: center;
    justify-content: center;
    gap: 6px;
    width: 46px;
    height: 46px;
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.055);
    cursor: pointer;
    list-style: none;
}

.site-menu summary::-webkit-details-marker {
    display: none;
}

.site-menu summary span {
    display: block;
    width: 18px;
    height: 2px;
    border-radius: 999px;
    background: var(--text);
}

.site-menu[open] summary {
    border-color: rgba(255, 155, 74, 0.48);
    box-shadow: 0 0 0 3px rgba(180, 39, 200, 0.14);
}

.menu-panel {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    z-index: 20;
    display: grid;
    min-width: 190px;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: rgba(12, 13, 18, 0.97);
    box-shadow: 0 22px 54px rgba(0, 0, 0, 0.48);
    backdrop-filter: blur(14px);
}

.menu-panel a {
    display: block;
    padding: 14px 16px;
    color: var(--text);
    font-weight: 900;
    text-decoration: none;
}

.menu-panel a + a {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.menu-panel a:hover {
    color: #050506;
    background: linear-gradient(135deg, var(--orange), var(--coral) 54%, var(--magenta));
}

h1,
h2,
h3,
p {
    margin-top: 0;
}

h2 {
    margin-bottom: 16px;
    color: var(--text);
    font-size: 1.1rem;
    letter-spacing: 0;
}

h3 {
    margin-bottom: 12px;
    overflow-wrap: anywhere;
    color: var(--text);
    font-size: 1rem;
    font-weight: 800;
}

.subtitle {
    margin: 0;
    color: var(--muted);
    font-size: 0.96rem;
}

.intro-text {
    display: grid;
    gap: 10px;
    max-width: 720px;
    margin-top: 16px;
    color: var(--soft);
    line-height: 1.58;
}

.intro-text p {
    margin: 0;
}

.login-panel .subtitle {
    margin-bottom: 24px;
}

.login-form,
.upload-form,
.edit-form,
.delete-form {
    display: grid;
    gap: 14px;
}

label {
    color: var(--soft);
    font-size: 0.9rem;
    font-weight: 800;
    text-align: left;
}

input[type="text"],
input[type="password"],
input[type="number"],
input[type="file"],
textarea {
    width: 100%;
    border: 1px solid rgba(255, 255, 255, 0.13);
    border-radius: 6px;
    padding: 12px;
    color: var(--text);
    background: rgba(4, 5, 8, 0.78);
    outline: none;
}

input[type="text"]:focus,
input[type="password"]:focus,
input[type="number"]:focus,
input[type="file"]:focus,
textarea:focus {
    border-color: rgba(255, 155, 74, 0.7);
    box-shadow: 0 0 0 3px rgba(180, 39, 200, 0.16);
}

textarea {
    min-height: 180px;
    resize: vertical;
    line-height: 1.45;
}

input[type="file"]::file-selector-button {
    border: 0;
    border-radius: 6px;
    margin-right: 12px;
    padding: 10px 12px;
    color: #08090b;
    background: linear-gradient(135deg, var(--orange), var(--coral));
    cursor: pointer;
    font-weight: 800;
}

button,
.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    border: 0;
    border-radius: 6px;
    padding: 0 18px;
    color: #050506;
    background: linear-gradient(135deg, var(--orange), var(--coral) 52%, var(--magenta));
    box-shadow: 0 10px 30px rgba(180, 39, 200, 0.18);
    font-weight: 900;
    text-decoration: none;
    cursor: pointer;
}

button:hover,
.button:hover {
    filter: brightness(1.08);
}

.button.secondary {
    border: 1px solid rgba(255, 255, 255, 0.14);
    color: var(--text);
    background: rgba(255, 255, 255, 0.07);
    box-shadow: none;
}

.button.secondary:hover {
    background: rgba(255, 255, 255, 0.11);
}

.danger-button {
    color: #120406;
    background: linear-gradient(135deg, var(--danger), #ff9b93);
}

.message {
    border: 1px solid rgba(130, 239, 177, 0.28);
    border-radius: 6px;
    margin-bottom: 20px;
    padding: 14px 16px;
    color: #d9ffe8;
    background: rgba(30, 126, 73, 0.22);
    font-weight: 800;
}

.message.error {
    border-color: rgba(255, 111, 125, 0.34);
    color: #ffd8dd;
    background: rgba(255, 111, 125, 0.16);
}

.upload-panel {
    margin-bottom: 28px;
    padding: 24px;
}

.info-panel {
    padding: 24px;
}

.upload-note {
    margin: 14px 0 0;
    color: var(--muted);
    font-size: 0.9rem;
}

.playlist {
    display: grid;
    gap: 14px;
}

.track,
.manage-track {
    overflow: hidden;
    padding: 0;
}

.track summary,
.manage-track summary {
    display: grid;
    gap: 6px;
    padding: 18px;
    cursor: pointer;
    list-style: none;
}

.track summary::-webkit-details-marker,
.manage-track summary::-webkit-details-marker {
    display: none;
}

.track summary::after,
.manage-track summary::after {
    content: "Open";
    justify-self: start;
    border: 1px solid rgba(255, 155, 74, 0.42);
    border-radius: 999px;
    margin-top: 4px;
    padding: 6px 11px;
    color: var(--orange);
    background: rgba(255, 155, 74, 0.08);
    font-size: 0.78rem;
    font-weight: 900;
}

.track[open] summary::after {
    content: "Sluit";
}

.manage-track[open] summary::after {
    content: "Bewerken sluiten";
}

.track-title {
    color: var(--text);
    font-size: 1.04rem;
    font-weight: 900;
}

.track-file {
    margin: 0;
    color: #848d9e;
    overflow-wrap: anywhere;
    font-size: 0.88rem;
}

.track-description {
    margin: 0 18px 16px;
    color: var(--soft);
    line-height: 1.55;
    white-space: normal;
}

.track-description.muted {
    color: #848d9e;
}

audio {
    display: block;
    width: calc(100% - 36px);
    margin: 0 18px 16px;
    accent-color: var(--magenta);
}

.download-link {
    display: inline-flex;
    margin: 0 18px 18px;
    color: var(--orange);
    font-weight: 900;
}

.edit-form,
.delete-form {
    padding: 0 18px 18px;
}

.delete-form {
    padding-top: 4px;
}

.manage-actions {
    display: flex;
    gap: 10px;
}

.empty-state {
    border: 1px dashed rgba(255, 255, 255, 0.15);
    border-radius: 8px;
    padding: 24px;
    color: var(--muted);
    text-align: center;
    background: rgba(255, 255, 255, 0.03);
}

@media (max-width: 640px) {
    .page {
        width: min(100% - 20px, 980px);
        padding: 22px 0;
    }

    .site-logo {
        width: 128px;
    }

    .button,
    .manage-track form,
    .manage-track button,
    .manage-actions {
        width: 100%;
    }

    .menu-panel {
        min-width: min(220px, calc(100vw - 40px));
    }

    .login-panel {
        margin-top: 5vh;
        padding: 24px;
    }
}