/**
 * PSTET Stream Finder v1.0.0 — Styles
 * Mobile-first, single-column layout
 * Matches existing pstet-tools design language
 */

/* ══════════════════════════════════════════
   CONTAINER & RESETS
   ══════════════════════════════════════════ */
#pstet-stream-finder{
    font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Oxygen,sans-serif;
    max-width:720px;margin:0 auto;padding:0;color:#333;
}
#pstet-stream-finder *{box-sizing:border-box}
#pstet-stream-finder h2.pstet-tool-title{
    text-align:center;font-size:1.5rem;margin:0 0 20px;padding:16px 20px;
    background:linear-gradient(135deg,#1a73e8,#4285f4);color:#fff;border-radius:12px;
}

/* ══════════════════════════════════════════
   STEP INDICATOR
   ══════════════════════════════════════════ */
.sf-step-indicator{
    display:flex;justify-content:center;align-items:center;gap:8px;
    margin-bottom:24px;padding:0 20px;
}
.sf-step-dot{
    width:12px;height:12px;border-radius:50%;
    background:#ddd;transition:all .3s;flex-shrink:0;
}
.sf-step-dot.sf-dot-active{background:#1a73e8}
.sf-step-dot.sf-dot-current{background:#1a73e8;transform:scale(1.3);box-shadow:0 0 0 3px rgba(26,115,232,.25)}
.sf-step-labels{
    display:flex;justify-content:space-between;
    padding:0 10px;margin-bottom:16px;
}
.sf-step-label{font-size:.7rem;color:#999;text-align:center;flex:1}
.sf-step-label.sf-label-active{color:#1a73e8;font-weight:600}

/* ══════════════════════════════════════════
   STEP VISIBILITY
   ══════════════════════════════════════════ */
.sf-hidden{display:none!important}
.sf-active{display:block}

/* ══════════════════════════════════════════
   LOADER
   ══════════════════════════════════════════ */
.sf-loader{text-align:center;padding:60px 20px}
.sf-spinner{
    width:40px;height:40px;margin:0 auto 16px;
    border:4px solid #e0e0e0;border-top-color:#1a73e8;
    border-radius:50%;animation:sf-spin 1s linear infinite;
}
@keyframes sf-spin{to{transform:rotate(360deg)}}
.sf-error{text-align:center;padding:40px 20px;color:#c00;font-size:1rem}

/* ══════════════════════════════════════════
   STEP 1: BOARD SELECT
   ══════════════════════════════════════════ */
.sf-step-card{
    background:#fff;border:1px solid #e0e0e0;border-radius:12px;
    padding:24px 20px;margin-bottom:16px;
}
.sf-step-card h3{margin:0 0 16px;font-size:1.15rem;color:#1a73e8}

.sf-board-select{
    width:100%;padding:12px 16px;font-size:1rem;border:2px solid #e0e0e0;
    border-radius:8px;background:#fff;color:#333;min-height:48px;
    appearance:none;-webkit-appearance:none;
    background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='7'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%23666' stroke-width='2'/%3E%3C/svg%3E");
    background-repeat:no-repeat;background-position:right 16px center;
    cursor:pointer;
}
.sf-board-select:focus{border-color:#1a73e8;outline:none;box-shadow:0 0 0 3px rgba(26,115,232,.15)}

.sf-board-info{
    background:#e8f5e9;border:1px solid #a5d6a7;border-radius:8px;
    padding:12px 16px;margin-top:12px;font-size:.9rem;color:#2e7d32;
    display:none;
}

/* ══════════════════════════════════════════
   STEP 2: MARKS ENTRY
   ══════════════════════════════════════════ */
.sf-marks-grid{display:flex;flex-direction:column;gap:12px}

.sf-mark-row{
    background:#fafafa;border:1px solid #e8e8e8;border-radius:10px;
    padding:14px 16px;transition:border-color .3s;
}
.sf-mark-row.sf-fail-row{border-color:#e53935;background:#fff5f5}

.sf-mark-label{
    font-weight:600;font-size:1rem;margin-bottom:8px;color:#333;
}
.sf-mark-inputs{display:flex;flex-wrap:wrap;gap:10px;align-items:center}

.sf-input-wrap{flex:1;min-width:90px}
.sf-input-wrap.sf-input-single{flex:2}
.sf-input-label{display:block;font-size:.7rem;color:#888;margin-bottom:2px;text-transform:uppercase;letter-spacing:.5px}

.sf-mark-row input[type="number"]{
    width:100%;padding:10px 12px;font-size:1rem;border:2px solid #e0e0e0;
    border-radius:8px;min-height:44px;text-align:center;
    -moz-appearance:textfield;
}
.sf-mark-row input[type="number"]::-webkit-outer-spin-button,
.sf-mark-row input[type="number"]::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}
.sf-mark-row input[type="number"]:focus{border-color:#1a73e8;outline:none}
.sf-fail-row input[type="number"]{border-color:#e53935}

.sf-mark-total{
    font-size:.85rem;color:#666;min-width:100px;text-align:center;
    padding:8px 0;
}
.sf-mark-total strong{color:#1a73e8;font-size:1.05rem}

.sf-overall{
    text-align:center;padding:14px 16px;background:#e3f2fd;
    border-radius:10px;margin-top:12px;font-size:1rem;
}
.sf-overall strong{color:#1a73e8}

/* ══════════════════════════════════════════
   STEP 3: QUIZ
   ══════════════════════════════════════════ */
.sf-quiz-q{margin-bottom:20px}
.sf-quiz-qtext{font-size:1rem;margin-bottom:10px;color:#333}
.sf-quiz-opts{display:flex;flex-direction:column;gap:8px}

.sf-quiz-opt{
    display:block;width:100%;text-align:left;padding:12px 16px;
    font-size:.95rem;border:2px solid #e0e0e0;border-radius:10px;
    background:#fff;cursor:pointer;transition:all .2s;min-height:48px;
    color:#333;
}
.sf-quiz-opt:hover{border-color:#90caf9;background:#e3f2fd}
.sf-quiz-opt.sf-opt-selected{
    border-color:#1a73e8;background:#e3f2fd;font-weight:600;
    box-shadow:0 0 0 3px rgba(26,115,232,.15);
}

/* ══════════════════════════════════════════
   BUTTONS
   ══════════════════════════════════════════ */
.sf-btn-group{
    display:flex;gap:12px;margin-top:20px;flex-wrap:wrap;
}
.sf-btn{
    display:inline-flex;align-items:center;justify-content:center;
    padding:12px 24px;font-size:1rem;font-weight:600;
    border-radius:10px;border:none;cursor:pointer;
    min-height:48px;transition:all .2s;text-decoration:none;
}
.sf-btn-primary{background:#1a73e8;color:#fff;flex:1}
.sf-btn-primary:hover{background:#1557b0}
.sf-btn-primary:disabled{background:#ccc;cursor:not-allowed}
.sf-btn-secondary{background:#f5f5f5;color:#333;border:1px solid #ddd;flex:0 1 auto}
.sf-btn-secondary:hover{background:#e8e8e8}

/* ══════════════════════════════════════════
   STEP 4: RESULTS
   ══════════════════════════════════════════ */
.sf-result-block{
    background:#fff;border:1px solid #e0e0e0;border-radius:12px;
    padding:20px;margin-bottom:16px;
}
.sf-result-block h4{margin:0 0 14px;font-size:1.1rem;color:#1a73e8}

.sf-summary-row{
    display:flex;flex-wrap:wrap;gap:16px;padding:8px 0;
    border-bottom:1px solid #f0f0f0;font-size:.95rem;
}
.sf-summary-row:last-child{border-bottom:none}

/* Subject table */
.sf-subject-table{overflow-x:auto;margin:12px 0}
.sf-subject-table table{width:100%;border-collapse:collapse;font-size:.9rem}
.sf-subject-table th,.sf-subject-table td{padding:8px 12px;text-align:left;border-bottom:1px solid #eee}
.sf-subject-table th{background:#f5f7fa;color:#555;font-weight:600;font-size:.8rem;text-transform:uppercase}
.sf-subject-table tr.sf-fail-row td{background:#fff5f5;color:#c62828}

.sf-strength{
    display:flex;flex-wrap:wrap;gap:12px;padding:12px 0;font-size:.9rem;
}

/* Stream Fit */
.sf-fit-row{display:flex;align-items:center;gap:10px;padding:8px 0;border-bottom:1px solid #f5f5f5}
.sf-fit-label{width:110px;font-size:.85rem;font-weight:600;flex-shrink:0}
.sf-fit-bar-wrap{flex:1;background:#f0f0f0;border-radius:6px;height:28px;overflow:hidden}
.sf-fit-bar{
    height:100%;border-radius:6px;display:flex;align-items:center;
    justify-content:center;font-size:.75rem;font-weight:700;color:#fff;
    min-width:40px;transition:width .5s ease;
}
.sf-bar-green{background:linear-gradient(90deg,#43a047,#66bb6a)}
.sf-bar-blue{background:linear-gradient(90deg,#1565c0,#42a5f5)}
.sf-bar-orange{background:linear-gradient(90deg,#e65100,#ff9800)}
.sf-fit-status{width:80px;text-align:center;font-size:.8rem;flex-shrink:0}

.sf-best-fit{
    background:#e8f5e9;border:1px solid #a5d6a7;border-radius:10px;
    padding:16px;margin-top:14px;font-size:.95rem;color:#2e7d32;
    text-align:center;
}

/* College Tiers */
.sf-tier-row{
    display:flex;align-items:flex-start;gap:12px;padding:12px 0;
    border-bottom:1px solid #f0f0f0;
}
.sf-tier-row.sf-tier-current{background:#e8f5e9;border-radius:8px;padding:12px;margin:-2px}
.sf-tier-badge{
    background:#1a73e8;color:#fff;padding:4px 10px;border-radius:6px;
    font-size:.75rem;font-weight:700;text-transform:uppercase;flex-shrink:0;
    min-width:50px;text-align:center;
}
.sf-tier-current .sf-tier-badge{background:#2e7d32}
.sf-tier-info{flex:1;font-size:.9rem;line-height:1.5}
.sf-tier-tag{color:#2e7d32;font-weight:700}
.sf-tier-gap{color:#e65100;font-weight:600;font-size:.85rem}

/* Career Roadmap */
.sf-roadmap-flow{text-align:center}
.sf-rm-step{
    display:flex;align-items:flex-start;gap:12px;
    background:#f5f7fa;border-radius:10px;padding:14px 16px;
    text-align:left;
}
.sf-rm-num{
    background:#1a73e8;color:#fff;width:30px;height:30px;
    border-radius:50%;display:flex;align-items:center;justify-content:center;
    font-weight:700;font-size:.85rem;flex-shrink:0;
}
.sf-rm-text{flex:1;font-size:.9rem;line-height:1.6}
.sf-rm-arrow{font-size:1.5rem;color:#1a73e8;padding:4px 0}

/* Action Buttons */
.sf-actions{
    display:flex;flex-wrap:wrap;gap:10px;padding:16px 0;
    justify-content:center;
}
.sf-actions .sf-btn{min-width:160px}
.sf-btn-wa{background:#25d366;color:#fff}
.sf-btn-wa:hover{background:#1da851}
.sf-btn-retry{background:#fff3e0;color:#e65100;border:1px solid #ffcc80}
.sf-btn-retry:hover{background:#ffe0b2}
.sf-btn-restart{background:#e3f2fd;color:#1565c0;border:1px solid #90caf9}
.sf-btn-restart:hover{background:#bbdefb}

/* ══════════════════════════════════════════
   RESPONSIVE (360px target)
   ══════════════════════════════════════════ */
@media(max-width:480px){
    .sf-step-card{padding:16px 14px}
    .sf-mark-inputs{flex-direction:column;gap:8px}
    .sf-input-wrap{min-width:100%}
    .sf-mark-total{min-width:100%;text-align:left;padding:4px 0}
    .sf-fit-row{flex-wrap:wrap}
    .sf-fit-label{width:100%}
    .sf-fit-status{width:100%;text-align:left}
    .sf-tier-row{flex-direction:column;gap:6px}
    .sf-summary-row{flex-direction:column;gap:4px}
    .sf-actions{flex-direction:column}
    .sf-actions .sf-btn{min-width:100%}
    .sf-rm-step{flex-direction:column;gap:8px;text-align:center}
}

/* P0-02: Mark validation error */
.sf-mark-error{display:block;color:#c62828;font-size:.75rem;margin-top:2px;font-weight:600}
.sf-input-error{border-color:#c62828!important;background:#fff5f5!important}


/* P1-03: Stream Finder mobile compact */
@media(max-width:480px){
    #pstet-stream-finder h2.pstet-tool-title{font-size:1.15rem;padding:12px 14px;margin:0 0 12px}
    .sf-step-card{padding:12px 10px}
    .sf-step-card h3{font-size:1rem;margin-bottom:10px}
    .sf-board-select{padding:8px 10px;font-size:.9rem;min-height:40px}
    .sf-btn{padding:10px 16px;font-size:.9rem;min-height:42px}
    .sf-quiz-opt{padding:10px 12px;font-size:.85rem;min-height:42px}
    .sf-quiz-qtext{font-size:.9rem}
    .sf-result-block{padding:12px;margin-bottom:10px}
    .sf-result-block h4{font-size:1rem;margin-bottom:10px}

    /* Compact marks entry */
    .sf-mark-row{padding:10px 12px}
    .sf-mark-label{font-size:.9rem;margin-bottom:4px}
    .sf-mark-row input[type="number"]{padding:7px 8px;font-size:.9rem;min-height:38px}

    /* Compact step indicator */
    .sf-step-indicator{margin-bottom:12px}
    .sf-step-labels{margin-bottom:8px}
    .sf-step-label{font-size:.65rem}
}

/* ═══════════════════════════════════════════════════════════
   MOBILE APP THEME MATCHING — Stream Finder
   ═══════════════════════════════════════════════════════════ */
#pstet-stream-finder{border-radius:16px;border:none;box-shadow:0 2px 12px rgba(0,0,0,.08);overflow:hidden}
.sf-step-card{border-radius:14px;background:#fff;box-shadow:0 1px 6px rgba(0,0,0,.06);padding:20px}
.sf-board-select{border-radius:10px;border:1.5px solid #e0e0e0;padding:12px 14px;font-size:15px;min-height:48px;-webkit-appearance:none}
.sf-board-select:focus{border-color:#1a73e8;box-shadow:0 0 0 4px rgba(26,115,232,.12)}
.sf-btn{border-radius:12px;min-height:48px;font-weight:600;transition:all .2s ease;touch-action:manipulation;-webkit-tap-highlight-color:transparent}
.sf-btn-primary{box-shadow:0 3px 12px rgba(26,115,232,.3)}
.sf-btn-primary:hover:not(:disabled){box-shadow:0 4px 16px rgba(26,115,232,.4);transform:translateY(-1px)}
.sf-btn-primary:active:not(:disabled){transform:scale(.97)}
.sf-quiz-opt{border-radius:10px;min-height:48px;transition:all .2s ease}
.sf-result-block{border-radius:12px}
.sf-mark-row input[type="number"]{border-radius:8px;border:1.5px solid #e0e0e0;min-height:44px}
.sf-mark-row input[type="number"]:focus{border-color:#1a73e8;box-shadow:0 0 0 3px rgba(26,115,232,.12)}