/* ============================================
   Terminverwaltung — Stylesheet
   Ästhetik: Medizinisch-elegant, warme Töne
   ============================================ */

:root {
    --bg:          #F7F5F2;
    --bg-card:     #FFFFFF;
    --bg-subtle:   #EEE9E2;
    --accent:      #2D6A4F;
    --accent-dark: #1B4332;
    --accent-light:#52B788;
    --accent-muted:#95D5B2;
    --warn:        #D4845A;
    --warn-light:  #FDEBD7;
    --danger:      #B5302A;
    --danger-light:#FCE8E7;
    --info:        #2C6E9C;
    --info-light:  #E4EFF7;
    --text:        #1A1A18;
    --text-mid:    #4A4A46;
    --text-muted:  #8A8A84;
    --border:      #DDD8D0;
    --shadow-sm:   0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
    --shadow:      0 4px 16px rgba(0,0,0,.08), 0 1px 4px rgba(0,0,0,.04);
    --shadow-lg:   0 12px 40px rgba(0,0,0,.12);
    --radius:      10px;
    --radius-lg:   16px;
    --font-display:'Open Sans', sans-serif;
    --font-body:   'Open Sans', sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
    font-family: var(--font-body);
    background: var(--bg);
    color: var(--text);
    font-size: 15px;
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ---- Navbar ---- */
.navbar {
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
    padding: 0 2rem;
    display: flex;
    align-items: center;
    gap: 2rem;
    height: 64px;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-sm);
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: .6rem;
    font-family: var(--font-display);
    font-size: 1.15rem;
    color: var(--accent-dark);
    white-space: nowrap;
}

.brand-icon { color: var(--accent); font-size: 1rem; }

.nav-links {
    display: flex;
    gap: .25rem;
    flex: 1;
}

.nav-link {
    padding: .4rem .85rem;
    border-radius: 6px;
    color: var(--text-mid);
    text-decoration: none;
    font-size: .875rem;
    font-weight: 500;
    transition: background .15s, color .15s;
}
.nav-link:hover { background: var(--bg-subtle); color: var(--text); }
.nav-link.active { background: var(--accent); color: #fff; }

.nav-user {
    display: flex;
    align-items: center;
    gap: .75rem;
    font-size: .875rem;
}

.user-badge {
    padding: .2rem .65rem;
    border-radius: 20px;
    font-size: .75rem;
    font-weight: 600;
    letter-spacing: .03em;
    text-transform: uppercase;
}
.rolle-admin     { background: #2C6E9C22; color: var(--info); }
.rolle-therapeut { background: var(--accent-muted)44; color: var(--accent-dark); }
.rolle-patient   { background: var(--warn-light); color: var(--warn); }

.user-name { color: var(--text-mid); }

.btn-logout {
    padding: .35rem .85rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-muted);
    text-decoration: none;
    font-size: .8rem;
    transition: all .15s;
}
.btn-logout:hover { border-color: var(--danger); color: var(--danger); background: var(--danger-light); }

/* ---- Main & Footer ---- */
.main-content { flex: 1; padding: 2.5rem 2rem; max-width: 1200px; margin: 0 auto; width: 100%; }

.site-footer {
    border-top: 1px solid var(--border);
    padding: 1.25rem 2rem;
    text-align: center;
    color: var(--text-muted);
    font-size: .8rem;
    background: var(--bg-card);
}

/* ---- Flash Messages ---- */
.flash {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: .85rem 1.25rem;
    border-radius: var(--radius);
    margin-bottom: 1.5rem;
    font-size: .9rem;
    animation: slideIn .3s ease;
}
.flash-erfolg { background: #D8F3DC; color: #1B4332; border-left: 4px solid var(--accent); }
.flash-fehler  { background: var(--danger-light); color: var(--danger); border-left: 4px solid var(--danger); }
.flash-info    { background: var(--info-light); color: var(--info); border-left: 4px solid var(--info); }
.flash button  { background: none; border: none; cursor: pointer; opacity: .6; font-size: 1rem; padding: 0 .25rem; }

@keyframes slideIn { from { opacity:0; transform:translateY(-8px); } to { opacity:1; transform:translateY(0); } }

/* ---- Page Header ---- */
.page-header {
    margin-bottom: 2rem;
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
}
.page-header h1 {
    font-family: var(--font-display);
    font-size: 2rem;
    color: var(--text);
    line-height: 1.2;
}
.page-header p { color: var(--text-muted); font-size: .9rem; margin-top: .25rem; }

/* ---- Cards ---- */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.75rem;
    box-shadow: var(--shadow-sm);
}

.card-title {
    font-family: var(--font-display);
    font-size: 1.1rem;
    margin-bottom: 1.25rem;
    color: var(--text);
}

/* ---- Stats Grid ---- */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem 1.5rem;
    display: flex;
    flex-direction: column;
    gap: .5rem;
}
.stat-card .stat-zahl {
    font-family: var(--font-display);
    font-size: 2.25rem;
    line-height: 1;
    color: var(--accent-dark);
}
.stat-card .stat-label { font-size: .8rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: .05em; }
.stat-card.warn .stat-zahl  { color: var(--warn); }
.stat-card.info .stat-zahl  { color: var(--info); }

/* ---- Tables ---- */
.table-wrap { overflow-x: auto; }

table {
    width: 100%;
    border-collapse: collapse;
    font-size: .9rem;
}
th {
    text-align: left;
    padding: .75rem 1rem;
    background: var(--bg-subtle);
    color: var(--text-muted);
    font-size: .75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .06em;
    border-bottom: 1px solid var(--border);
}
td {
    padding: .85rem 1rem;
    border-bottom: 1px solid var(--border);
    color: var(--text);
    vertical-align: middle;
}
tr:last-child td { border-bottom: none; }
tr:hover td { background: var(--bg);}

/* ---- Status Badges ---- */
.badge {
    display: inline-flex;
    align-items: center;
    gap: .35rem;
    padding: .2rem .65rem;
    border-radius: 20px;
    font-size: .75rem;
    font-weight: 600;
}
.badge::before { content:''; width: 6px; height: 6px; border-radius: 50%; background: currentColor; opacity: .7; }
.badge-verfuegbar  { background: #D8F3DC; color: #1B4332; }
.badge-gebucht     { background: var(--info-light); color: var(--info); }
.badge-abgesagt    { background: var(--danger-light); color: var(--danger); }
.badge-abgeschlossen { background: var(--bg-subtle); color: var(--text-muted); }

/* ---- Buttons ---- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    padding: .55rem 1.1rem;
    border-radius: 7px;
    border: 1px solid transparent;
    font-family: var(--font-body);
    font-size: .875rem;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    transition: all .15s;
    white-space: nowrap;
}
.btn:disabled { opacity: .5; cursor: not-allowed; }

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

.btn-secondary { background: var(--bg-card); color: var(--text-mid); border-color: var(--border); }
.btn-secondary:hover { background: var(--bg-subtle); }

.btn-danger    { background: var(--danger-light); color: var(--danger); border-color: #f0c5c4; }
.btn-danger:hover { background: var(--danger); color: #fff; }

.btn-warn      { background: var(--warn-light); color: var(--warn); border-color: #f0c9b0; }
.btn-warn:hover { background: var(--warn); color: #fff; }

.btn-sm { padding: .35rem .75rem; font-size: .8rem; }

/* ---- Forms ---- */
.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.25rem;
}

.form-group { display: flex; flex-direction: column; gap: .4rem; }
.form-group.full { grid-column: 1 / -1; }

label {
    font-size: .8rem;
    font-weight: 600;
    color: var(--text-mid);
    text-transform: uppercase;
    letter-spacing: .04em;
}

input, select, textarea {
    padding: .65rem .9rem;
    border: 1px solid var(--border);
    border-radius: 7px;
    font-family: var(--font-body);
    font-size: .9rem;
    color: var(--text);
    background: var(--bg-card);
    transition: border-color .15s, box-shadow .15s;
    width: 100%;
}
input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(45,106,79,.12);
}
textarea { resize: vertical; min-height: 90px; }

.form-hint { font-size: .78rem; color: var(--text-muted); }
.form-error { font-size: .78rem; color: var(--danger); }

/* ---- Login Page ---- */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg);
    padding: 2rem;
}

.login-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2.75rem 2.5rem;
    width: 100%;
    max-width: 420px;
    box-shadow: var(--shadow-lg);
}

.login-logo {
    text-align: center;
    margin-bottom: 2rem;
}
.login-logo .logo-icon {
    font-size: 2.5rem;
    display: block;
    color: var(--accent);
    margin-bottom: .5rem;
}
.login-logo h1 {
    font-family: var(--font-display);
    font-size: 1.6rem;
    color: var(--text);
}
.login-logo p { color: var(--text-muted); font-size: .875rem; margin-top: .3rem; }

.login-form { display: flex; flex-direction: column; gap: 1.1rem; }

/* ---- Calendar View ---- */
.calendar-wrapper { overflow-x: auto; }

.calendar-grid {
    display: grid;
    gap: .5rem;
    min-width: 600px;
}

.termin-slot {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1rem 1.25rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: box-shadow .15s, transform .15s;
}
.termin-slot:hover { box-shadow: var(--shadow); }

.termin-slot.verfuegbar { border-left: 4px solid var(--accent-light); }
.termin-slot.gebucht    { border-left: 4px solid var(--info); }
.termin-slot.abgesagt   { border-left: 4px solid var(--danger); opacity: .6; }

.termin-time {
    font-family: var(--font-display);
    font-size: 1.1rem;
    color: var(--text);
}
.termin-date { font-size: .8rem; color: var(--text-muted); margin-top: .1rem; }

.termin-info { flex: 1; padding: 0 1.25rem; }
.termin-titel { font-weight: 500; font-size: .9rem; }
.termin-therapeut { font-size: .8rem; color: var(--text-muted); margin-top: .15rem; }

/* ---- Utilities ---- */
.text-muted { color: var(--text-muted); }
.text-sm    { font-size: .85rem; }
.mt-1 { margin-top: .5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-2 { margin-bottom: 1rem; }
.flex { display: flex; }
.gap-2 { gap: .75rem; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.flex-wrap { flex-wrap: wrap; }
.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--text-muted);
}
.empty-state .empty-icon { font-size: 3rem; margin-bottom: 1rem; opacity: .4; }
.empty-state h3 { font-family: var(--font-display); margin-bottom: .5rem; color: var(--text); }

/* ---- Responsive ---- */
@media (max-width: 768px) {
    .navbar { padding: 0 1rem; gap: .75rem; flex-wrap: wrap; height: auto; padding-block: .75rem; }
    .nav-links { order: 3; width: 100%; overflow-x: auto; padding-bottom: .25rem; }
    .main-content { padding: 1.5rem 1rem; }
    .page-header { flex-direction: column; align-items: flex-start; }
    .login-card { padding: 1.75rem 1.25rem; }
}