/* DroneShip AWB — Frontend iOS Design v1.3 */
:root {
    --ds-blue: #007AFF;
    --ds-green: #34C759;
    --ds-red: #FF3B30;
    --ds-text: #1C1C1E;
    --ds-text2: #3C3C43;
    --ds-text3: rgba(60,60,67,.6);
    --ds-gray1: #F2F2F7;
    --ds-gray2: #E5E5EA;
    --ds-border: rgba(60,60,67,.18);
    --ds-radius: 14px;
    --ds-radius-sm: 10px;
    --ds-shadow: 0 2px 8px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
    --ds-shadow-lg: 0 8px 32px rgba(0,0,0,.1), 0 2px 8px rgba(0,0,0,.04);
}

/* WRAPPER */
.ds-service {
    max-width: 720px;
    margin: 0 auto;
    padding: 0;
    font-family: -apple-system, 'SF Pro Display', 'Helvetica Neue', sans-serif;
}

/* TABS — segmented control */
.ds-tabs {
    display: flex;
    gap: 4px;
    margin-bottom: 28px;
    background: var(--ds-gray1);
    padding: 4px;
    border-radius: var(--ds-radius);
    box-shadow: inset 0 1px 3px rgba(0,0,0,.04);
}
.ds-tab {
    flex: 1;
    background: transparent;
    border: none;
    padding: 11px 16px;
    border-radius: var(--ds-radius-sm);
    font-size: .9rem;
    font-weight: 500;
    color: var(--ds-text3);
    cursor: pointer;
    transition: all .25s cubic-bezier(.4,0,.2,1);
}
.ds-tab:hover { color: var(--ds-text); }
.ds-tab--active {
    background: #fff;
    color: var(--ds-text);
    font-weight: 600;
    box-shadow: 0 1px 6px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.04);
}

/* STEPS — pill stepper */
.ds-steps { display: flex; align-items: center; margin-bottom: 28px; padding: 0 4px; }
.ds-step { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }
.ds-step__num {
    width: 30px; height: 30px; border-radius: 50%;
    background: var(--ds-gray2);
    color: var(--ds-text3);
    font-size: .8rem; font-weight: 800;
    display: flex; align-items: center; justify-content: center;
    transition: all .3s cubic-bezier(.4,0,.2,1);
}
.ds-step__lbl { font-size: .82rem; font-weight: 500; color: var(--ds-text3); transition: color .3s; }
.ds-step--active .ds-step__num { background: var(--ds-blue); color: #fff; box-shadow: 0 3px 12px rgba(0,122,255,.35); }
.ds-step--active .ds-step__lbl { color: var(--ds-blue); font-weight: 700; }
.ds-step--done .ds-step__num { background: var(--ds-green); color: #fff; box-shadow: 0 3px 12px rgba(52,199,89,.3); }
.ds-step--done .ds-step__lbl { color: var(--ds-green); }
.ds-step__line { flex: 1; height: 2px; background: var(--ds-gray2); margin: 0 10px; border-radius: 2px; transition: background .3s; }
.ds-step__line--done { background: var(--ds-green); }

/* SECTION TITLE */
.ds-section-title { font-size: 1.2rem; font-weight: 800; color: var(--ds-text); margin-bottom: 4px; letter-spacing: -.02em; }
.ds-hint { font-size: .875rem; color: var(--ds-text3); margin-bottom: 22px; }

/* GRID */
.ds-grid { display: grid; gap: 14px; margin-bottom: 14px; }
.ds-grid--2 { grid-template-columns: 1fr 1fr; }
.ds-grid--3 { grid-template-columns: 1fr 1fr 1fr; }
.ds-grid--track { grid-template-columns: 1fr auto; }

/* FIELDS — iOS card-style */
.ds-field { display: flex; flex-direction: column; gap: 6px; }
.ds-label { font-size: .82rem; font-weight: 600; color: var(--ds-text2); }
.ds-req { color: var(--ds-red); }

.ds-input, .ds-select, .ds-textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1.5px solid var(--ds-border);
    border-radius: 12px;
    font-size: .9rem;
    font-family: inherit;
    color: var(--ds-text);
    background: #fff;
    outline: none;
    transition: border-color .2s, box-shadow .2s, background .2s;
    -webkit-appearance: none;
}
.ds-input:focus, .ds-select:focus, .ds-textarea:focus {
    border-color: var(--ds-blue);
    box-shadow: 0 0 0 4px rgba(0,122,255,.1);
    background: #FAFCFF;
}
.ds-input.ds-error-field, .ds-select.ds-error-field {
    border-color: var(--ds-red);
    box-shadow: 0 0 0 4px rgba(255,59,48,.08);
}
.ds-input::placeholder { color: rgba(60,60,67,.3); }
.ds-input:disabled, .ds-select:disabled { background: var(--ds-gray1); color: rgba(60,60,67,.4); cursor: not-allowed; }
.ds-textarea { resize: vertical; min-height: 70px; line-height: 1.5; }

/* SUMMARY — glass card */
.ds-summary {
    background: rgba(249,249,251,.9);
    backdrop-filter: blur(10px);
    border: 1.5px solid rgba(60,60,67,.1);
    border-radius: var(--ds-radius);
    padding: 18px 22px;
    margin-bottom: 18px;
    font-size: .875rem;
    color: var(--ds-text2);
    display: none;
    box-shadow: var(--ds-shadow);
}
.ds-summary.visible { display: block; }
.ds-summary table { width: 100%; border-collapse: collapse; }
.ds-summary td { padding: 5px 0; }
.ds-summary td:first-child { color: var(--ds-text3); width: 40%; }
.ds-summary td:last-child { font-weight: 600; color: var(--ds-text); }

/* BUTTONS */
.ds-actions {
    display: flex; gap: 10px; justify-content: flex-end; flex-wrap: wrap;
    margin-top: 22px; padding-top: 22px;
    border-top: 1.5px solid rgba(60,60,67,.06);
}
.ds-btn {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 12px 24px;
    border-radius: 12px;
    font-size: .9rem; font-weight: 600; font-family: inherit;
    border: none; cursor: pointer;
    transition: all .2s cubic-bezier(.4,0,.2,1);
    text-decoration: none; white-space: nowrap;
}
.ds-btn--primary {
    background: var(--ds-blue); color: #fff;
    box-shadow: 0 2px 12px rgba(0,122,255,.3);
}
.ds-btn--primary:hover { background: #0056CC; box-shadow: 0 6px 20px rgba(0,122,255,.35); transform: translateY(-1px); }
.ds-btn--primary:active { transform: translateY(0); }
.ds-btn--secondary { background: var(--ds-gray1); color: var(--ds-text2); }
.ds-btn--secondary:hover { background: var(--ds-gray2); }
.ds-btn--outline { background: transparent; color: var(--ds-blue); border: 1.5px solid var(--ds-blue); }
.ds-btn--outline:hover { background: rgba(0,122,255,.06); }
.ds-btn:disabled { opacity: .5; cursor: not-allowed; transform: none !important; }
.ds-hidden { display: none !important; }
.ds-btn__loader { display: flex; align-items: center; gap: 6px; }
.ds-btn__loader.ds-hidden { display: none !important; }

/* SPIN */
.ds-spin { animation: ds-rotate 1s linear infinite; }
@keyframes ds-rotate { to { transform: rotate(360deg); } }

/* SUCCESS — card */
.ds-success { text-align: center; padding: 48px 24px; animation: ds-fadein .4s ease; }
@keyframes ds-fadein { from { opacity:0; transform:translateY(12px); } to { opacity:1; transform:translateY(0); } }
.ds-success__icon { font-size: 64px; margin-bottom: 16px; }
.ds-success h3 { font-size: 1.5rem; font-weight: 800; color: var(--ds-text); margin-bottom: 8px; }
.ds-success p { color: var(--ds-text3); }
.ds-success__awb {
    display: inline-flex; align-items: center; gap: 10px;
    background: var(--ds-gray1); border-radius: 12px; padding: 14px 28px;
    margin: 20px 0; font-size: .875rem; color: var(--ds-text3);
    box-shadow: var(--ds-shadow);
}
.ds-success__awb strong { font-family: 'SF Mono', 'Courier New', monospace; font-size: 1.2rem; letter-spacing: 2px; color: var(--ds-text); }
.ds-success__actions { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; margin-bottom: 16px; }
.ds-success__email { font-size: .8rem; color: rgba(60,60,67,.4); }

/* ERROR */
.ds-error-msg {
    background: #FFF2F1; border: 1.5px solid rgba(255,59,48,.2);
    border-radius: var(--ds-radius); padding: 14px 18px;
    font-size: .875rem; color: var(--ds-red); margin-top: 12px;
    animation: ds-fadein .3s ease;
}

/* STATUS PILLS */
.ds-status-pill {
    display: inline-block; padding: 4px 12px; border-radius: 20px;
    font-size: .78rem; font-weight: 700;
}
.ds-status-pill--pending   { background: #FFF3E0; color: #E65100; }
.ds-status-pill--inspection { background: #F3E8FF; color: #5856D6; }
.ds-status-pill--repair    { background: #E8F2FF; color: var(--ds-blue); }
.ds-status-pill--testing   { background: #F9E8FF; color: #AF52DE; }
.ds-status-pill--shipped   { background: #E8FDF0; color: #1B8A3E; }
.ds-status-pill--cancelled { background: #FFF1F0; color: var(--ds-red); }

/* TRACKING CARDS */
.ds-track-form { padding: 8px 0; }
.ds-track-card {
    background: #fff; border: 1.5px solid var(--ds-border);
    border-radius: var(--ds-radius); margin-bottom: 14px;
    overflow: hidden; box-shadow: var(--ds-shadow);
    transition: box-shadow .2s;
}
.ds-track-card:hover { box-shadow: var(--ds-shadow-lg); }
.ds-track-card__header {
    display: flex; justify-content: space-between; align-items: center;
    padding: 14px 18px; background: var(--ds-gray1);
    border-bottom: 1px solid rgba(60,60,67,.06); font-size: .875rem;
}
.ds-track-card__header code { font-size: .8rem; background: #E8F2FF; padding: 3px 10px; border-radius: 6px; color: var(--ds-blue); font-weight: 600; }
.ds-track-card__body { padding: 14px 18px; }
.ds-track-row { display: flex; justify-content: space-between; padding: 5px 0; font-size: .875rem; color: var(--ds-text2); }
.ds-track-row span:first-child { color: var(--ds-text3); }

/* Payment section in tracking */
.ds-track-card__pay {
    padding: 16px 18px;
    background: linear-gradient(135deg, #F0F7FF, #FFFAF0);
    border-top: 1.5px solid rgba(0,122,255,.1);
}
.ds-track-pay-amount { font-size: .95rem; color: var(--ds-text); margin-bottom: 14px; }
.ds-track-pay-amount strong { color: var(--ds-blue); font-size: 1.15rem; }
.ds-track-pay-methods { display: flex; gap: 10px; flex-wrap: wrap; }
.ds-track-card__paid {
    padding: 14px 18px; background: #E8FDF0;
    color: #1B8A3E; font-size: .875rem; font-weight: 600;
}

/* CUSTOM MODAL */
.ds-modal-overlay {
    position: fixed; inset: 0; background: rgba(0,0,0,.4);
    backdrop-filter: blur(6px); z-index: 99999;
    display: flex; align-items: center; justify-content: center;
    animation: ds-fadein .2s ease;
}
.ds-modal {
    background: #fff; border-radius: 18px;
    padding: 32px; max-width: 420px; width: 90%;
    box-shadow: 0 24px 64px rgba(0,0,0,.2);
    text-align: center;
    animation: ds-modal-in .3s cubic-bezier(.2,.8,.3,1);
}
@keyframes ds-modal-in { from { opacity:0; transform:scale(.9) translateY(20px); } to { opacity:1; transform:scale(1) translateY(0); } }
.ds-modal__icon { font-size: 48px; margin-bottom: 12px; }
.ds-modal__title { font-size: 1.15rem; font-weight: 700; color: var(--ds-text); margin-bottom: 8px; }
.ds-modal__text { font-size: .875rem; color: var(--ds-text3); margin-bottom: 24px; line-height: 1.5; }
.ds-modal__actions { display: flex; gap: 10px; justify-content: center; }

/* RESPONSIVE */
@media (max-width: 600px) {
    .ds-grid--2, .ds-grid--3 { grid-template-columns: 1fr; }
    .ds-grid--track { grid-template-columns: 1fr; }
    .ds-steps { display: none; }
    .ds-actions { justify-content: stretch; }
    .ds-btn { flex: 1; justify-content: center; }
    .ds-tabs { flex-direction: column; }
    .ds-success__actions { flex-direction: column; }
    .ds-modal { margin: 16px; }
    .ds-track-pay-methods { flex-direction: column; }
}

/* ---- UPLOAD ZONE ---- */
.ds-upload-zone {
    position: relative;
    border: 2px dashed rgba(0,122,255,.25);
    border-radius: 14px;
    padding: 28px 20px;
    text-align: center;
    cursor: pointer;
    transition: all .2s;
    background: rgba(0,122,255,.02);
}
.ds-upload-zone:hover, .ds-upload-zone--active {
    border-color: var(--ds-blue);
    background: rgba(0,122,255,.06);
}
.ds-upload-zone__inner { pointer-events: none; }
.ds-upload-zone__icon { font-size: 32px; display: block; margin-bottom: 6px; }
.ds-upload-zone__text { display: block; font-size: .875rem; color: var(--ds-text2); }
.ds-upload-zone__text strong { color: var(--ds-blue); }
.ds-upload-zone__hint { display: block; font-size: .75rem; color: var(--ds-text3); margin-top: 4px; }

/* Upload preview thumbnails */
.ds-upload-preview {
    display: flex; gap: 10px; flex-wrap: wrap; margin-top: 12px;
}
.ds-upload-thumb {
    position: relative; width: 80px; height: 80px; border-radius: 10px; overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,.1);
}
.ds-upload-thumb img {
    width: 100%; height: 100%; object-fit: cover; display: block;
}
.ds-upload-thumb__remove {
    position: absolute; top: 2px; right: 2px; width: 22px; height: 22px;
    border-radius: 50%; background: rgba(255,59,48,.9); color: #fff;
    border: none; font-size: 11px; cursor: pointer; display: flex;
    align-items: center; justify-content: center; line-height: 1;
    transition: transform .15s;
}
.ds-upload-thumb__remove:hover { transform: scale(1.15); }

/* ---- OTP CARD ---- */
.ds-otp-card {
    background: #fff;
    border: 1.5px solid rgba(0,122,255,.15);
    border-radius: 18px;
    padding: 32px 24px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0,122,255,.06);
    animation: ds-fadein .3s ease;
}
.ds-otp-card__icon { font-size: 48px; margin-bottom: 10px; }
.ds-otp-card__text { font-size: .9rem; color: var(--ds-text3); margin-bottom: 6px; }
.ds-otp-card__email {
    font-size: .95rem; font-weight: 700; color: var(--ds-blue);
    background: rgba(0,122,255,.06); padding: 6px 16px;
    border-radius: 8px; display: inline-block; margin-bottom: 20px;
}
.ds-otp-input-wrap { max-width: 220px; margin: 0 auto 20px; }
.ds-otp-input {
    text-align: center !important;
    font-size: 1.6rem !important;
    font-weight: 800 !important;
    letter-spacing: 8px !important;
    font-family: 'SF Mono', 'Courier New', monospace !important;
    padding: 14px !important;
}
.ds-otp-actions { display: flex; gap: 8px; justify-content: center; flex-wrap: wrap; margin-bottom: 14px; }
.ds-otp-card__expire { font-size: .78rem; color: var(--ds-text3); }
.ds-otp-resend { font-size: .82rem !important; padding: 8px 14px !important; }