/* =============================================================
   DIPLOMAS DIGITAIS - CSS CUSTOM
   Theme: Dark Premium
   ============================================================= */

:root {
    --bg-base:      #0d1117;
    --bg-card:      #161b22;
    --bg-card2:     #1c2128;
    --bg-input:     #1c2128;
    --border:       #30363d;
    --border-light: #21262d;
    --primary:      #1f6feb;
    --primary-glow: rgba(31, 111, 235, 0.25);
    --success:      #3fb950;
    --warning:      #d29922;
    --danger:       #f85149;
    --text:         #e6edf3;
    --text-muted:   #8b949e;
    --text-dim:     #6e7681;
    --navbar-h:     64px;
    --radius:       10px;
    --radius-lg:    14px;
    --shadow:       0 8px 24px rgba(0,0,0,.4);
    --shadow-sm:    0 2px 8px rgba(0,0,0,.3);
}

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

html, body {
    margin: 0; padding: 0;
    background: var(--bg-base);
    color: var(--text);
    font-family: 'Inter', system-ui, sans-serif;
    font-size: 14px;
    min-height: 100vh;
}

/* ---- SCROLLBAR ---- */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg-base); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

/* ============ NAVBAR ============ */
.main-navbar {
    height: var(--navbar-h);
    background: rgba(13,17,23,.96);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-light);
    box-shadow: 0 1px 20px rgba(0,0,0,.4);
    z-index: 1050;S
}

.brand-icon {
    width: 38px; height: 38px;
    background: linear-gradient(135deg, var(--primary), #388bfd);
    border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.1rem;
    color: #fff;
    box-shadow: 0 0 12px var(--primary-glow);
}
.brand-title { font-size: .9rem; font-weight: 700; color: var(--text); line-height: 1.1; }
.brand-sub   { font-size: .68rem; color: var(--text-muted); line-height: 1; }

.nav-pill {
    border-radius: 8px !important;
    padding: 6px 14px !important;
    font-size: .83rem;
    font-weight: 500;
    color: var(--text-muted) !important;
    transition: all .18s;
}
.nav-pill:hover  { background: rgba(255,255,255,.06) !important; color: var(--text) !important; }
.nav-pill.active { background: rgba(31,111,235,.2) !important; color: #388bfd !important; }

.nav-user { font-size: .82rem; color: var(--text-muted); }

/* ============ PAGE LAYOUT ============ */
.page-wrapper {
    margin-top: var(--navbar-h);
    min-height: calc(100vh - var(--navbar-h) - 42px);
    padding: 28px 28px 0;
}

.main-footer {
    margin-top: 32px;
    padding: 10px 0;
    border-top: 1px solid var(--border-light);
    font-size: .76rem;
    color: var(--text-dim);
    text-align: center;
}

/* ============ PAGE HEADER ============ */
.page-header {
    display: flex; align-items: center; justify-content: space-between;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-light);
}
.page-header h1 {
    font-size: 1.3rem; font-weight: 700;
    color: var(--text); margin: 0;
    display: flex; align-items: center; gap: 10px;
}
.page-header h1 .ph-icon {
    width: 36px; height: 36px;
    background: linear-gradient(135deg, var(--primary), #388bfd);
    border-radius: 9px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1rem; color: #fff;
    box-shadow: 0 0 10px var(--primary-glow);
}

/* ============ CARDS ============ */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}
.card-header {
    background: var(--bg-card2);
    border-bottom: 1px solid var(--border);
    padding: 14px 20px;
    font-weight: 600;
    font-size: .88rem;
    color: var(--text);
}
.card-body { padding: 20px; }

/* ============ FORMS ============ */
.form-label {
    font-size: .8rem;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 5px;
    text-transform: uppercase;
    letter-spacing: .04em;
}
.form-label .req { color: var(--danger); margin-left: 2px; }

.form-control, .form-select {
    background: var(--bg-input) !important;
    border: 1px solid var(--border) !important;
    border-radius: 8px !important;
    color: var(--text) !important;
    font-size: .875rem;
    padding: 9px 13px;
    transition: border-color .15s, box-shadow .15s;
}
.form-control:focus, .form-select:focus {
    border-color: var(--primary) !important;
    box-shadow: 0 0 0 3px var(--primary-glow) !important;
    outline: none;
}
.form-control::placeholder { color: var(--text-dim); }
.form-select option { background: var(--bg-card); color: var(--text); }

/* floating labels override */
.form-floating label { color: var(--text-muted); font-size: .82rem; }
.form-floating > .form-control:focus ~ label,
.form-floating > .form-control:not(:placeholder-shown) ~ label { color: var(--primary) !important; }

.input-group-text {
    background: var(--bg-card2);
    border: 1px solid var(--border);
    color: var(--text-muted);
}

/* section title inside form */
.form-section-title {
    font-size: .72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .08em;
    color: var(--primary);
    margin: 20px 0 12px;
    padding-bottom: 6px;
    border-bottom: 1px solid var(--border-light);
    display: flex; align-items: center; gap-6px;
}
.form-section-title i { margin-right: 6px; }

/* ============ BUTTONS ============ */
.btn {
    border-radius: 8px !important;
    font-weight: 500;
    font-size: .83rem;
    transition: all .18s;
}
.btn-primary {
    background: var(--primary) !important;
    border-color: var(--primary) !important;
}
.btn-primary:hover {
    background: #388bfd !important;
    box-shadow: 0 0 16px var(--primary-glow) !important;
    transform: translateY(-1px);
}
.btn-success { background: var(--success) !important; border-color: var(--success) !important; }
.btn-danger  { background: var(--danger) !important;  border-color: var(--danger) !important; }
.btn-outline-light { border-color: var(--border) !important; color: var(--text-muted) !important; }
.btn-outline-light:hover { background: rgba(255,255,255,.07) !important; color: var(--text) !important; }
.btn-secondary { background: var(--bg-card2) !important; border-color: var(--border) !important; color: var(--text) !important; }
.btn-login {
    padding: 12px !important;
    font-size: .95rem !important;
    letter-spacing: .03em;
}

/* ============ TABLES ============ */
.table {
    color: var(--text);
    margin: 0;
}
.table thead th {
    background: var(--bg-card2);
    border-bottom: 1px solid var(--border);
    color: var(--text-muted);
    font-size: .75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .05em;
    padding: 10px 14px;
    white-space: nowrap;
}
.table tbody tr {
    border-bottom: 1px solid var(--border-light);
    transition: background .12s;
}
.table tbody tr:hover { background: rgba(255,255,255,.03); }
.table tbody td { padding: 10px 14px; vertical-align: middle; font-size: .855rem; }
.table-striped tbody tr:nth-of-type(odd) { background: rgba(255,255,255,.02); }

/* ============ BADGES ============ */
.badge { font-size: .72rem; font-weight: 600; border-radius: 6px; padding: 4px 9px; }

/* ============ TABS ============ */
.nav-tabs {
    border-bottom: 1px solid var(--border);
    gap: 4px;
}
.nav-tabs .nav-link {
    color: var(--text-muted);
    border: 1px solid transparent;
    border-radius: 8px 8px 0 0 !important;
    padding: 9px 18px;
    font-size: .83rem;
    font-weight: 500;
    transition: all .15s;
}
.nav-tabs .nav-link:hover { color: var(--text); background: rgba(255,255,255,.04); }
.nav-tabs .nav-link.active {
    color: #388bfd;
    background: var(--bg-card2);
    border-color: var(--border) var(--border) var(--bg-card2);
}
.tab-content { background: var(--bg-card2); border: 1px solid var(--border); border-top: none; border-radius: 0 0 var(--radius) var(--radius); padding: 20px; }

/* ============ INLINE TABLE (disciplinas / atividades / estagios) ============ */
.inline-table-wrap { overflow-x: auto; }
.inline-table { min-width: 900px; }
.inline-table thead th { font-size: .72rem; }
.inline-table tbody td input,
.inline-table tbody td select {
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text);
    padding: 5px 8px;
    font-size: .82rem;
    width: 100%;
    min-width: 80px;
}
.inline-table tbody td input:focus,
.inline-table tbody td select:focus {
    border-color: var(--primary);
    outline: none;
    box-shadow: 0 0 0 2px var(--primary-glow);
}
.btn-add-row {
    font-size: .78rem;
    padding: 5px 12px;
    margin-top: 10px;
}
.btn-remove-row {
    padding: 3px 7px;
    font-size: .78rem;
    background: rgba(248,81,73,.15);
    border: 1px solid rgba(248,81,73,.3);
    color: var(--danger);
    border-radius: 6px;
    cursor: pointer;
    transition: all .14s;
    line-height: 1.4;
}
.btn-remove-row:hover { background: rgba(248,81,73,.3); }

/* ============ ALERTS ============ */
.alert { border-radius: var(--radius) !important; border: none !important; font-size: .85rem; }
.alert-success { background: rgba(63,185,80,.15) !important; color: #3fb950 !important; }
.alert-danger   { background: rgba(248,81,73,.15) !important; color: #f85149 !important; }
.alert-warning  { background: rgba(210,153,34,.15) !important; color: #d29922 !important; }
.alert-info     { background: rgba(31,111,235,.15) !important; color: #388bfd !important; }

/* ============ LOGIN PAGE ============ */
.login-page {
    min-height: 100vh;
    display: flex; align-items: center; justify-content: center;
    background: radial-gradient(ellipse at 60% 20%, rgba(31,111,235,.12) 0%, transparent 60%),
                var(--bg-base);
}
.login-wrapper { width: 100%; max-width: 420px; padding: 16px; }
.login-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 40px 36px;
    box-shadow: 0 20px 60px rgba(0,0,0,.5);
}
.login-logo { text-align: center; margin-bottom: 32px; }
.login-logo .logo-icon {
    width: 60px; height: 60px;
    background: linear-gradient(135deg, var(--primary), #388bfd);
    border-radius: 16px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.8rem; color: #fff;
    margin: 0 auto 14px;
    box-shadow: 0 0 24px var(--primary-glow);
}
.login-logo h1 { font-size: 1.4rem; font-weight: 700; margin: 0; color: var(--text); }
.login-logo .subtitle { font-size: .82rem; color: var(--text-muted); margin-top: 4px; }

/* ============ EMPTY STATE ============ */
.empty-state {
    text-align: center; padding: 60px 20px;
    color: var(--text-muted);
}
.empty-state i { font-size: 3rem; opacity: .3; display: block; margin-bottom: 12px; }
.empty-state p { font-size: .88rem; }

/* ============ PAGINATION ============ */
.page-link {
    background: var(--bg-card2) !important;
    border-color: var(--border) !important;
    color: var(--text-muted) !important;
    border-radius: 7px !important;
    margin: 0 2px;
    font-size: .82rem;
}
.page-link:hover { background: rgba(255,255,255,.07) !important; color: var(--text) !important; }
.page-item.active .page-link { background: var(--primary) !important; color: #fff !important; border-color: var(--primary) !important; }

/* ============ SEARCH BAR ============ */
.search-bar { max-width: 320px; }
.search-bar .form-control { padding-left: 36px !important; }
.search-bar .search-icon {
    position: absolute; left: 11px; top: 50%; transform: translateY(-50%);
    color: var(--text-dim); pointer-events: none; font-size: .9rem;
}

/* ============ MISC ============ */
.gap-6px { gap: 6px; }
.text-primary-custom { color: #388bfd; }
hr { border-color: var(--border-light); opacity: 1; }
.hidden { display: none !important; }