/**
 * CampusFlow Frontend Styles
 * Version: 1.0.0
 */

/* ─── Variables ─────────────────────────────────────────────────────────── */
:root {
    --cf-primary:       #003b6f;
    --cf-primary-light: #005fa3;
    --cf-accent:        #007aad;
    --cf-success:       #27ae60;
    --cf-warning:       #f5a623;
    --cf-danger:        #e74c3c;
    --cf-info:          #3498db;
    --cf-text:          #2c3e50;
    --cf-muted:         #7f8c8d;
    --cf-bg:            #f8f9fa;
    --cf-white:         #ffffff;
    --cf-border:        #dee2e6;
    --cf-radius:        6px;
    --cf-shadow:        0 2px 8px rgba(0,0,0,.08);
    --cf-font:          -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

/* ─── Base Wrapper ───────────────────────────────────────────────────────── */
.campusflow-wrap {
    font-family: var(--cf-font);
    color: var(--cf-text);
    max-width: 1100px;
    margin: 0 auto;
    padding: 1.5rem 1rem;
}
.campusflow-wrap h2 { font-size: 1.6rem; color: var(--cf-primary); margin-bottom: 1.5rem; }
.campusflow-wrap h3 { font-size: 1.2rem; color: var(--cf-primary); margin: 1.5rem 0 .75rem; border-bottom: 2px solid var(--cf-border); padding-bottom: .4rem; }
.campusflow-wrap h4 { font-size: 1rem; margin: .5rem 0; }

/* ─── Page Header ────────────────────────────────────────────────────────── */
.cf-page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: .75rem;
}
.cf-student-info { display: flex; align-items: center; gap: .5rem; font-size: .9rem; color: var(--cf-muted); }

/* ─── Notices ────────────────────────────────────────────────────────────── */
.cf-notice {
    padding: 1rem 1.25rem;
    border-radius: var(--cf-radius);
    margin-bottom: 1rem;
    border-left: 4px solid;
}
.cf-notice-success { background: #d4edda; border-color: var(--cf-success); color: #155724; }
.cf-notice-info    { background: #d1ecf1; border-color: var(--cf-info);    color: #0c5460; }
.cf-notice-warning { background: #fff3cd; border-color: var(--cf-warning); color: #856404; }
.cf-notice-error   { background: #f8d7da; border-color: var(--cf-danger);  color: #721c24; }
.cf-notice p { margin: 0; }

/* ─── Buttons ────────────────────────────────────────────────────────────── */
.cf-button {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    padding: .55rem 1.25rem;
    border-radius: var(--cf-radius);
    font-family: var(--cf-font);
    font-size: .875rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: opacity .15s, box-shadow .15s;
    border: 2px solid transparent;
}
.cf-button:hover { opacity: .88; }
.cf-button-primary   { background: var(--cf-primary);   color: #fff; }
.cf-button-secondary { background: transparent; color: var(--cf-primary); border-color: var(--cf-primary); }
.cf-button-success   { background: var(--cf-success);   color: #fff; }
.cf-button-danger    { background: var(--cf-danger);     color: #fff; }
.cf-button-sm        { padding: .3rem .75rem; font-size: .8rem; }
.cf-button:disabled  { opacity: .5; cursor: not-allowed; }

/* ─── Action Bar ─────────────────────────────────────────────────────────── */
.cf-action-bar {
    display: flex;
    gap: .75rem;
    align-items: center;
    margin-bottom: 1.25rem;
    flex-wrap: wrap;
}

/* ─── Forms ──────────────────────────────────────────────────────────────── */
.cf-form { max-width: 800px; }
.cf-form-section {
    background: var(--cf-white);
    border: 1px solid var(--cf-border);
    border-radius: var(--cf-radius);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--cf-shadow);
}
.cf-form-section h3 { margin-top: 0; border: none; padding: 0; font-size: 1rem; }
.cf-form-description { color: var(--cf-muted); font-size: .875rem; margin: .25rem 0 1rem; }
.cf-form-row { margin-bottom: 1rem; }
.cf-form-row label {
    display: block;
    font-weight: 600;
    margin-bottom: .35rem;
    font-size: .875rem;
    color: var(--cf-text);
}
.cf-form-row input[type="text"],
.cf-form-row input[type="email"],
.cf-form-row input[type="date"],
.cf-form-row input[type="number"],
.cf-form-row select,
.cf-form-row textarea {
    width: 100%;
    padding: .55rem .75rem;
    border: 1px solid var(--cf-border);
    border-radius: var(--cf-radius);
    font-family: var(--cf-font);
    font-size: .9rem;
    color: var(--cf-text);
    transition: border-color .15s;
    box-sizing: border-box;
}
.cf-form-row input:focus,
.cf-form-row select:focus,
.cf-form-row textarea:focus {
    border-color: var(--cf-accent);
    outline: none;
    box-shadow: 0 0 0 3px rgba(0,122,173,.15);
}
.cf-form-row textarea { resize: vertical; min-height: 120px; }
.cf-form-row small { color: var(--cf-muted); font-size: .78rem; margin-top: .25rem; display: block; }
.cf-form-row .required { color: var(--cf-danger); }
.cf-form-row-half { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }

.cf-form-actions {
    display: flex;
    gap: .75rem;
    padding-top: 1rem;
    justify-content: flex-end;
}

/* ─── Course Cards ───────────────────────────────────────────────────────── */
.cf-course-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}
.cf-course-card {
    background: var(--cf-white);
    border: 1px solid var(--cf-border);
    border-radius: var(--cf-radius);
    padding: 1.25rem;
    box-shadow: var(--cf-shadow);
    transition: box-shadow .2s;
    border-top: 3px solid var(--cf-accent);
}
.cf-course-card:hover { box-shadow: 0 4px 16px rgba(0,0,0,.12); }
.cf-course-card-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: .5rem; }
.cf-course-code { font-weight: 700; font-size: .9rem; color: var(--cf-primary); font-family: monospace; }
.cf-course-credits { font-size: .78rem; color: var(--cf-muted); background: var(--cf-bg); padding: .15rem .5rem; border-radius: 12px; }
.cf-course-name { font-size: 1rem; margin: .4rem 0 .75rem; color: var(--cf-text); }
.cf-course-meta { display: flex; flex-direction: column; gap: .25rem; }
.cf-meta-item { font-size: .8rem; color: var(--cf-muted); }
.cf-course-status { margin-top: .75rem; }
.cf-course-actions { margin-top: .75rem; border-top: 1px solid var(--cf-border); padding-top: .75rem; }

/* ─── Status Badges ──────────────────────────────────────────────────────── */
.cf-badge,
.cf-status-badge {
    display: inline-block;
    padding: .15rem .6rem;
    border-radius: 12px;
    font-size: .75rem;
    font-weight: 600;
    line-height: 1.5;
}
.cf-badge { background: var(--cf-primary); color: #fff; }
.cf-status-enrolled, .cf-status-passed, .cf-status-accepted { background: #d4edda; color: #155724; }
.cf-status-pending, .cf-status-submitted, .cf-status-under_review { background: #fff3cd; color: #856404; }
.cf-status-dropped, .cf-status-failed, .cf-status-rejected { background: #f8d7da; color: #721c24; }
.cf-status-offer_made { background: #d1ecf1; color: #0c5460; }
.cf-status-graduated { background: #6f42c1; color: #fff; }

/* ─── Tables ─────────────────────────────────────────────────────────────── */
.cf-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--cf-white);
    border-radius: var(--cf-radius);
    overflow: hidden;
    box-shadow: var(--cf-shadow);
    font-size: .875rem;
}
.cf-table thead tr { background: var(--cf-primary); color: #fff; }
.cf-table th, .cf-table td { padding: .65rem 1rem; text-align: left; border-bottom: 1px solid var(--cf-border); }
.cf-table tbody tr:hover { background: var(--cf-bg); }
.cf-table tbody tr:last-child td { border-bottom: none; }

/* ─── Upload Area ────────────────────────────────────────────────────────── */
.cf-upload-field { margin-bottom: .75rem; }
.cf-upload-area { display: flex; align-items: center; gap: .75rem; margin-top: .25rem; }
.cf-upload-status { font-size: .8rem; color: var(--cf-muted); }

/* ─── Transcript ─────────────────────────────────────────────────────────── */
.cf-transcript-header {
    background: var(--cf-primary);
    color: #fff;
    padding: 1.5rem;
    border-radius: var(--cf-radius) var(--cf-radius) 0 0;
    margin-bottom: 0;
}
.cf-transcript-body { background: var(--cf-white); padding: 1.5rem; border: 1px solid var(--cf-border); border-top: none; }
.cf-gpa-summary {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 1rem;
    background: var(--cf-bg);
    padding: 1rem;
    border-radius: var(--cf-radius);
    margin-bottom: 1.5rem;
}
.cf-gpa-item { text-align: center; }
.cf-gpa-value { font-size: 2rem; font-weight: 700; color: var(--cf-primary); display: block; }
.cf-gpa-label { font-size: .75rem; color: var(--cf-muted); text-transform: uppercase; letter-spacing: .05em; }

/* ─── Fee Statement ──────────────────────────────────────────────────────── */
.cf-balance-card {
    background: var(--cf-primary);
    color: #fff;
    padding: 1.5rem;
    border-radius: var(--cf-radius);
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}
.cf-balance-amount { font-size: 2.5rem; font-weight: 700; }
.cf-balance-positive { color: #a3e6b5; }
.cf-balance-negative { color: #f5a0a0; }

/* ─── Responsive ─────────────────────────────────────────────────────────── */
@media (max-width: 640px) {
    .cf-form-row-half { grid-template-columns: 1fr; }
    .cf-page-header   { flex-direction: column; align-items: flex-start; }
    .cf-course-grid   { grid-template-columns: 1fr; }
    .cf-balance-card  { flex-direction: column; gap: .75rem; text-align: center; }
    .cf-form-actions  { flex-direction: column; }
    .cf-form-actions .cf-button { width: 100%; justify-content: center; }
}

@media print {
    .cf-button, .cf-action-bar, .cf-course-actions { display: none !important; }
    .campusflow-wrap { padding: 0; }
}