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

/* =====================
   THEME – VINYL SLEEVE
   ===================== */

:root {
    --bg: #f4f1ec;
    --card: #ffffff;
    --border: #e4ded7;

    --text: #1f2933;
    --text-light: #6b7280;

    --accent: #e5533d;
    --accent-hover: #cc4835;

    --success: #f2c94c;
    --danger: #d14343;
}

body {
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: 
        linear-gradient(180deg, rgba(31, 41, 51, 0.7), rgba(31, 41, 51, 0.85)),
        url('https://i.redd.it/vinyl-record-wallpapers-free-pack-in-comment-v0-ltovwpnfdv8c1.png?width=1441&format=png&auto=webp&s=8768d85e4f976a11ed3c42da04300cbfd1e8e95f');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    background-repeat: no-repeat;
    color: var(--text);
    min-height: 100vh;
    padding-top: 70px;
}

/* =====================
   LAYOUT
   ===================== */

.container {
    max-width: 1200px;
    margin: auto;
    padding: 48px 24px;
}

/* =====================
   HEADER
   ===================== */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 16px 32px;
    border-bottom: 1px solid rgba(228, 222, 215, 0.5);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    gap: 24px;
}

.header h1 {
    font-family: 'Poppins', sans-serif;
    font-size: 1.1em;
    font-weight: 600;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo {
    height: 32px;
    width: auto;
    display: inline-block;
    vertical-align: middle;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 20px;
    font-size: 0.85em;
}

.header-nav {
    display: flex;
    gap: 8px;
}

.nav-link {
    padding: 8px 16px;
    text-decoration: none;
    color: var(--text-light);
    font-size: 0.9em;
    font-weight: 500;
    border-radius: 8px;
    transition: all 0.2s ease;
}

.nav-link:hover {
    color: var(--text);
    background: rgba(229, 83, 61, 0.1);
}

.nav-link.active {
    color: var(--accent);
    background: rgba(229, 83, 61, 0.15);
    font-weight: 600;
}

/* =====================
   BUTTONS
   ===================== */

.btn-primary {
    display: block;
    padding: 14px;
    background: linear-gradient(180deg, var(--accent), var(--accent-hover));
    color: white;
    text-align: center;
    text-decoration: none;
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 0.06em;
    border-radius: 4px;
    transition: all .2s ease;
}

.btn-primary:hover {
    transform: translateY(-1px);
}

.btn-secondary {
    border: 1px solid var(--accent);
    color: var(--accent);
    padding: 8px 16px;
    text-decoration: none;
    font-weight: 500;
    transition: all .2s ease;
}

.btn-secondary:hover {
    background: var(--accent);
    color: white;
}

/* =====================
   GRID
   ===================== */

.folders-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 28px;
}

/* =====================
   CARD
   ===================== */

.folder-card {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.85), rgba(250, 248, 246, 0.85));
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(228, 222, 215, 0.5);
    padding: 28px;
    border-radius: 16px;
    box-shadow: 0 12px 25px rgba(0,0,0,.08);
    transition: transform .25s ease, box-shadow .25s ease;
}

.folder-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0,0,0,.15);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.9), rgba(250, 248, 246, 0.9));
}

/* =====================
   CARD HEADER
   ===================== */

.folder-header h2 {
    font-family: 'Poppins', sans-serif;
    font-size: 1.15em;
    font-weight: 600;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    margin-bottom: 12px;
}

.folder-count {
    display: inline-block;
    background: var(--success);
    color: #000;
    padding: 6px 14px;
    border-radius: 999px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75em;
}

/* =====================
   PROGRESS
   ===================== */

.progress-container {
    margin-top: 20px;
    padding: 16px;
    background: #faf8f6;
    border: 1px dashed var(--border);
}

.progress-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: 'Space Mono', 'Courier New', monospace;
    font-size: 0.8em;
    margin-bottom: 8px;
}

.progress-info::before {
    content: '';
    display: inline-block;
    width: 24px;
    height: 24px;
    margin-right: 10px;
    background: url('https://media0.giphy.com/media/v1.Y2lkPTZjMDliOTUyN3RqZTNxc2l0Y2Z6Z3dibWNoY2xlMzJ3eWNzMzhxeTM2M3Npa2VleiZlcD12MV9zdGlja2Vyc19zZWFyY2gmY3Q9cw/LNOZoHMI16ydtQ8bGG/giphy.gif') no-repeat center;
    background-size: contain;
}

.progress-text {
    display: flex;
    align-items: center;
}

.progress-bar {
    height: 6px;
    background: #e5e0da;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--accent), var(--success));
    transition: width .3s ease;
}

.progress-time {
    text-align: right;
    font-size: 0.75em;
    color: var(--text-light);
    margin-top: 6px;
}

/* =====================
   EMPTY
   ===================== */

.empty-state {
    text-align: center;
    padding: 80px;
    border: 1px dashed var(--border);
    color: var(--text-light);
}

/* =====================
   LOGIN PAGE
   ===================== */

.login-page {
    padding-top: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-container {
    width: 100%;
    max-width: 500px;
    padding: 20px;
}

.login-box {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.9), rgba(250, 248, 246, 0.9));
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(228, 222, 215, 0.5);
    padding: 40px;
    border-radius: 16px;
    box-shadow: 0 12px 25px rgba(0, 0, 0, 0.15);
}

.login-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    margin-bottom: 8px;
}

.logo-large {
    height: 64px;
    width: auto;
}

.login-box h1 {
    font-family: 'Poppins', sans-serif;
    font-size: 1.8em;
    font-weight: 600;
    text-align: center;
    color: var(--text);
    margin: 0;
}

.subtitle {
    text-align: center;
    color: var(--text-light);
    margin-bottom: 32px;
    font-size: 0.95em;
}

.error-message {
    background: var(--danger);
    color: white;
    padding: 14px 18px;
    border-radius: 8px;
    margin-bottom: 24px;
    font-size: 0.9em;
}

.oauth-section {
    text-align: center;
    margin: 32px 0;
}

.oauth-info {
    color: var(--text-light);
    margin-bottom: 20px;
    font-size: 0.95em;
}

.btn-oauth {
    display: inline-block;
    width: auto;
    padding: 16px 40px;
    font-size: 1em;
}

.help-text {
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
    font-size: 0.9em;
    color: var(--text-light);
}

.help-text p {
    margin-bottom: 12px;
}

.help-text strong {
    color: var(--text);
}

.help-text ol {
    margin: 16px 0 16px 24px;
    color: var(--text);
}

.help-text li {
    margin-bottom: 8px;
}

.note {
    margin-top: 20px;
    padding: 14px 18px;
    background: rgba(242, 201, 76, 0.15);
    border-left: 3px solid var(--success);
    color: var(--text);
    font-size: 0.85em;
    border-radius: 4px;
}

/* =====================
   RESPONSIVE
   ===================== */

@media (max-width: 768px) {
    .header {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
    
    .login-box {
        padding: 32px 24px;
    }
    
    .login-box h1 {
        font-size: 1.5em;
    }
}