@import url('https://fonts.googleapis.com/css2?family=DM+Serif+Display:ital@0;1&family=Inter:wght@300;400;500;600;700&display=swap');

/* ========================================
   TEMI
   ======================================== */
:root {
    --bg-base: #F7F5F2;
    --bg-card: #FFFFFF;
    --text-primary: #2F2F2F;
    --text-secondary: #6B6B6B;
    --color-primary: #6C63FF;
    --color-primary-hover: #5A52E0;
    --color-accent: #C5A880;
    --color-border: #D9D9E0;
    --color-input: #F0EEF9;
    --shadow: 0 2px 12px rgba(0,0,0,0.06);
}

html.theme-romance {
    --bg-base: #FDF5F7;
    --bg-card: #FFFFFF;
    --text-primary: #2F2F2F;
    --text-secondary: #8B6B72;
    --color-primary: #D4607A;
    --color-primary-hover: #C04F69;
    --color-accent: #F2C4CE;
    --color-border: #F0D5DA;
    --color-input: #FDF0F2;
    --shadow: 0 2px 12px rgba(212,96,122,0.08);
}

html.theme-dark {
    --bg-base: #1A1A2E;
    --bg-card: #16213E;
    --text-primary: #E0E0E0;
    --text-secondary: #A0A0B0;
    --color-primary: #9B59B6;
    --color-primary-hover: #8E44AD;
    --color-accent: #E0E0E0;
    --color-border: #2A2A4A;
    --color-input: #1E1E3A;
    --shadow: 0 2px 12px rgba(0,0,0,0.3);
}

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

body {
    font-family: 'Inter', sans-serif;
    background: var(--bg-base);
    color: var(--text-primary);
    min-height: 100vh;
}

h1, h2, h3 {
    font-family: 'DM Serif Display', serif;
    color: var(--text-primary);
}

/* ========================================
   TOPBAR
   ======================================== */
.topbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 56px;
    background: #6C63FF;
    border-bottom: none;
    z-index: 100;
    box-shadow: 0 2px 12px rgba(108,99,255,0.3);
}

.topbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    padding: 0 24px;
    position: relative;
}

.topbar-nav {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}

.topbar-logo {
    font-family: 'DM Serif Display', serif;
    font-size: 22px;
    color: #FFFFFF;
    text-decoration: none;
    white-space: nowrap;
    flex-shrink: 0;
}

.topbar-nav {
    display: flex;
    align-items: center;
    gap: 2px;
    flex: 1;
    overflow-x: auto;
    scrollbar-width: none;
}
.topbar-nav::-webkit-scrollbar { display: none; }

.topbar-nav a {
    padding: 6px 12px;
    border-radius: 6px;
    text-decoration: none;
    color: rgba(255,255,255,0.85);
    font-size: 14px;
    font-weight: 500;
    white-space: nowrap;
    transition: all 0.2s;
}
.topbar-nav a:hover {
    background: rgba(255,255,255,0.15);
    color: #FFFFFF;
}
.topbar-nav a.active {
    background: rgba(255,255,255,0.2);
    color: #FFFFFF;
    font-weight: 600;
}

.topbar-user {
    position: relative;
    flex-shrink: 0;
}

.topbar-user-name {
    font-size: 13px;
    font-weight: 500;
    color: rgba(255,255,255,0.9);
    cursor: pointer;
    padding: 6px 10px;
    border-radius: 6px;
    transition: background 0.2s;
}
.topbar-user-name:hover { background: rgba(255,255,255,0.15); }

.topbar-user-menu {
    display: none;
    position: absolute;
    right: 0;
    top: calc(100% + 8px);
    background: #FFFFFF;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    min-width: 140px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.1);
    overflow: hidden;
}
.topbar-user-menu.open { display: block; }
.topbar-user-menu a,
.topbar-user-menu button {
    display: block;
    width: 100%;
    padding: 10px 16px;
    font-size: 14px;
    color: var(--text-primary);
    text-decoration: none;
    background: none;
    border: none;
    text-align: left;
    cursor: pointer;
    font-family: 'Inter', sans-serif;
}
.topbar-user-menu a:hover,
.topbar-user-menu button:hover { background: var(--color-input); }

/* ========================================
   MAIN CONTENT
   ======================================== */
.main-content {
    margin-top: 56px;
    padding: 32px 40px;
    min-height: calc(100vh - 56px);
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

/* ========================================
   BUTTONS
   ======================================== */
.btn-primary {
    background: var(--color-primary);
    color: #fff;
    border: none;
    padding: 12px 28px;
    border-radius: 8px;
    font-family: 'Inter', sans-serif;
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    transition: background 0.2s ease;
}
.btn-primary:hover { background: var(--color-primary-hover); }

.btn-secondary {
    background: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
    padding: 10px 26px;
    border-radius: 8px;
    font-family: 'Inter', sans-serif;
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    transition: all 0.2s ease;
}
.btn-secondary:hover {
    background: var(--color-primary);
    color: #fff;
}

/* ========================================
   FORMS
   ======================================== */
.form-group { margin-bottom: 20px; }
.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    background: var(--color-input);
    border: 1.5px solid var(--color-border);
    border-radius: 8px;
    font-family: 'Inter', sans-serif;
    font-size: 15px;
    color: var(--text-primary);
    transition: border-color 0.2s;
    outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { border-color: var(--color-primary); }

/* ========================================
   CARDS
   ======================================== */
.card {
    background: var(--bg-card);
    border-radius: 12px;
    padding: 24px;
    box-shadow: var(--shadow);
    border: 1px solid var(--color-border);
}

/* ========================================
   BOOK COVER
   ======================================== */
.book-cover {
    width: 100%;
    aspect-ratio: 2/3;
    border-radius: 6px;
    object-fit: cover;
    box-shadow: 2px 4px 8px rgba(0,0,0,0.15);
}

/* ========================================
   ALERTS
   ======================================== */
.alert-success {
    background: #D1FAE5;
    color: #065F46;
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 14px;
    margin-bottom: 24px;
}
.alert-error {
    background: #FEE2E2;
    color: #DC2626;
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 14px;
    margin-bottom: 16px;
}