/**
 * Smart Coupon Manager — Public Styles
 *
 * Customer-facing UI for coupon forms, cards, and feedback.
 * Design direction: warm, premium retail — think a high-end
 * Indian watch brand's e-commerce coupon experience.
 * Clean cards, confident typography, satisfying micro-interactions.
 *
 * Sections:
 *  1.  CSS Custom Properties
 *  2.  Coupon Form  [scm_coupon_form]
 *  3.  Input Row & Spinner
 *  4.  Feedback Messages
 *  5.  Applied Coupons List
 *  6.  Free Shipping Notice
 *  7.  Coupons Grid  [scm_coupons]
 *  8.  Coupon Card
 *  9.  Card Footer: Code + Copy Button
 *  10. Card Badge, Icons & Tags
 *  11. Savings Bar  [scm_savings_bar]
 *  12. Checkout Suggestions
 *  13. Animations & Micro-interactions
 *  14. Responsive
 */

/* ============================================================
   1. CSS CUSTOM PROPERTIES
============================================================ */
:root {
    --scm-pub-primary:       #1a1a2e;   /* Deep navy — sophistication */
    --scm-pub-accent:        #c9933a;   /* Warm gold — premium */
    --scm-pub-accent-light:  #f9f0e1;
    --scm-pub-success:       #2d6a4f;
    --scm-pub-success-light: #d8f3dc;
    --scm-pub-error:         #c1121f;
    --scm-pub-error-light:   #ffe5e7;
    --scm-pub-warning:       #e76f51;
    --scm-pub-warning-light: #fdebd5;
    --scm-pub-bg:            #fafaf8;
    --scm-pub-surface:       #ffffff;
    --scm-pub-border:        #e8e4de;
    --scm-pub-text:          #1a1a2e;
    --scm-pub-text-muted:    #7a7670;
    --scm-pub-radius:        10px;
    --scm-pub-radius-lg:     16px;
    --scm-pub-shadow:        0 2px 12px rgba(26,26,46,.08);
    --scm-pub-shadow-hover:  0 8px 32px rgba(26,26,46,.15);
    --scm-pub-shadow-card:   0 4px 20px rgba(26,26,46,.1);
    --scm-pub-transition:    0.22s cubic-bezier(.4,0,.2,1);

    /* Card gradient — each category gets a subtle tint */
    --scm-card-grad-new:      linear-gradient(135deg, #e8f0fb 0%, #f5f8ff 100%);
    --scm-card-grad-loyalty:  linear-gradient(135deg, #fce4ec 0%, #fff5f7 100%);
    --scm-card-grad-seasonal: linear-gradient(135deg, #f3e5f5 0%, #faf5fb 100%);
    --scm-card-grad-general:  linear-gradient(135deg, #f9f0e1 0%, #fffff8 100%);
    --scm-card-grad-limited:  linear-gradient(135deg, #fff3cd 0%, #fffff5 100%);
    --scm-card-grad-cart:     linear-gradient(135deg, #e8f5e9 0%, #f5fff6 100%);
}

/* ============================================================
   2. COUPON FORM WRAPPER
============================================================ */
.scm-coupon-form-wrap {
    font-family: 'Georgia', 'Cambria', serif;
    width: 100%;
    max-width: 560px;
    margin: 0 auto;
}

/* ============================================================
   3. INPUT ROW & SPINNER
============================================================ */
.scm-input-row {
    display: flex;
    align-items: stretch;
    gap: 0;
    border: 2px solid var(--scm-pub-border);
    border-radius: var(--scm-pub-radius-lg);
    background: var(--scm-pub-surface);
    overflow: hidden;
    transition: border-color var(--scm-pub-transition),
                box-shadow var(--scm-pub-transition);
}

.scm-input-row:focus-within {
    border-color: var(--scm-pub-accent);
    box-shadow: 0 0 0 4px rgba(201,147,58,.12);
}

.scm-coupon-input-wrap {
    display: flex;
    align-items: center;
    flex: 1;
    position: relative;
    padding: 0 14px;
    gap: 8px;
}

.scm-coupon-icon {
    font-size: 18px;
    flex-shrink: 0;
    opacity: 0.6;
}

.scm-coupon-input {
    flex: 1;
    border: none;
    outline: none;
    background: transparent;
    font-size: 15px;
    font-family: 'Courier New', 'Courier', monospace;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--scm-pub-text);
    padding: 14px 0;
    text-transform: uppercase;
    width: 100%;
}

.scm-coupon-input::placeholder {
    font-family: 'Georgia', serif;
    font-weight: 400;
    letter-spacing: 0;
    text-transform: none;
    color: var(--scm-pub-text-muted);
    font-size: 14px;
    opacity: 0.7;
}

/* Spinner — CSS-only rotating ring */
.scm-input-spinner {
    width: 18px;
    height: 18px;
    border: 2px solid var(--scm-pub-border);
    border-top-color: var(--scm-pub-accent);
    border-radius: 50%;
    flex-shrink: 0;
    display: none;
}

.scm-input-spinner.scm-spinning {
    display: block;
    animation: scm-spin 0.7s linear infinite;
}

@keyframes scm-spin {
    to { transform: rotate(360deg); }
}

/* Apply Button */
.scm-apply-btn {
    background: var(--scm-pub-primary);
    color: #fff;
    border: none;
    padding: 0 26px;
    font-size: 14px;
    font-weight: 700;
    font-family: 'Georgia', serif;
    letter-spacing: 0.5px;
    cursor: pointer;
    white-space: nowrap;
    transition: background var(--scm-pub-transition),
                transform var(--scm-pub-transition);
    flex-shrink: 0;
}

.scm-apply-btn:hover {
    background: var(--scm-pub-accent);
    transform: none;
}

.scm-apply-btn:active {
    transform: scale(0.97);
}

.scm-apply-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ============================================================
   4. FEEDBACK MESSAGES
============================================================ */
.scm-feedback {
    margin-top: 10px;
    padding: 10px 14px;
    border-radius: var(--scm-pub-radius);
    font-size: 13px;
    font-family: 'Georgia', serif;
    line-height: 1.5;
    animation: scm-fade-in 0.25s ease;
    display: flex;
    align-items: flex-start;
    gap: 8px;
}

.scm-feedback-success {
    background: var(--scm-pub-success-light);
    color: var(--scm-pub-success);
    border: 1px solid #b7e4c7;
}

.scm-feedback-error {
    background: var(--scm-pub-error-light);
    color: var(--scm-pub-error);
    border: 1px solid #ffb3b8;
}

.scm-feedback-warning {
    background: var(--scm-pub-warning-light);
    color: var(--scm-pub-warning);
    border: 1px solid #f4b183;
}

.scm-feedback-expiry {
    background: #fff8e1;
    color: #e65100;
    border: 1px solid #ffe082;
    margin-top: 6px;
    font-size: 12px;
}

@keyframes scm-fade-in {
    from { opacity: 0; transform: translateY(-6px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ============================================================
   5. APPLIED COUPONS LIST
============================================================ */
.scm-applied-coupons {
    margin-top: 14px;
    animation: scm-fade-in 0.3s ease;
}

.scm-applied-label {
    font-size: 12px;
    font-weight: 700;
    color: var(--scm-pub-success);
    margin: 0 0 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.scm-applied-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.scm-applied-item {
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--scm-pub-success-light);
    border: 1px solid #b7e4c7;
    border-radius: var(--scm-pub-radius);
    padding: 8px 12px;
    animation: scm-slide-in 0.25s ease;
}

@keyframes scm-slide-in {
    from { opacity: 0; transform: translateX(-10px); }
    to   { opacity: 1; transform: translateX(0); }
}

.scm-applied-code {
    font-family: 'Courier New', monospace;
    font-weight: 800;
    font-size: 13px;
    letter-spacing: 1px;
    color: var(--scm-pub-primary);
    background: rgba(255,255,255,0.6);
    padding: 2px 8px;
    border-radius: 4px;
}

.scm-applied-discount {
    font-size: 12px;
    color: var(--scm-pub-success);
    font-weight: 600;
    flex: 1;
}

.scm-remove-coupon-btn {
    background: none;
    border: 1px solid #b7e4c7;
    border-radius: 50%;
    width: 22px;
    height: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 12px;
    color: var(--scm-pub-text-muted);
    transition: background var(--scm-pub-transition),
                color var(--scm-pub-transition);
    padding: 0;
    line-height: 1;
    flex-shrink: 0;
}

.scm-remove-coupon-btn:hover {
    background: var(--scm-pub-error);
    color: #fff;
    border-color: var(--scm-pub-error);
}

/* ============================================================
   6. FREE SHIPPING NOTICE
============================================================ */
.scm-free-shipping-notice {
    margin-top: 10px;
    padding: 10px 16px;
    background: #e8f5e9;
    border: 1px solid #a5d6a7;
    border-radius: var(--scm-pub-radius);
    font-size: 13px;
    color: var(--scm-pub-success);
    font-weight: 600;
    animation: scm-fade-in 0.3s ease;
}

.scm-hidden {
    display: none !important;
}

/* ============================================================
   7. COUPONS GRID SECTION
============================================================ */
.scm-coupons-section {
    width: 100%;
}

.scm-coupons-title {
    font-family: 'Georgia', 'Cambria', serif;
    font-size: 22px;
    font-weight: 700;
    color: var(--scm-pub-text);
    margin: 0 0 24px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--scm-pub-accent);
    display: inline-block;
}

.scm-coupons-grid {
    display: grid;
    gap: 20px;
}

.scm-cols-1 { grid-template-columns: 1fr; }
.scm-cols-2 { grid-template-columns: repeat(2, 1fr); }
.scm-cols-3 { grid-template-columns: repeat(3, 1fr); }
.scm-cols-4 { grid-template-columns: repeat(4, 1fr); }

.scm-no-coupons-msg {
    color: var(--scm-pub-text-muted);
    font-style: italic;
    font-size: 15px;
    padding: 20px 0;
}

/* ============================================================
   8. COUPON CARD
============================================================ */
.scm-coupon-card {
    position: relative;
    background: var(--scm-card-grad-general);
    border: 1px solid var(--scm-pub-border);
    border-radius: var(--scm-pub-radius-lg);
    padding: 22px 20px 16px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    box-shadow: var(--scm-pub-shadow-card);
    transition: transform var(--scm-pub-transition),
                box-shadow var(--scm-pub-transition),
                border-color var(--scm-pub-transition);
    overflow: hidden;

    /* Dashed ticket perforation on right edge */
    border-right: 2px dashed var(--scm-pub-border);
}

/* Perforation circles (ticket effect) */
.scm-coupon-card::before,
.scm-coupon-card::after {
    content: '';
    position: absolute;
    right: -10px;
    width: 20px;
    height: 20px;
    background: var(--scm-pub-bg);
    border-radius: 50%;
    border: 1px solid var(--scm-pub-border);
}

.scm-coupon-card::before { top: -10px; }
.scm-coupon-card::after  { bottom: -10px; }

.scm-coupon-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--scm-pub-shadow-hover);
    border-color: var(--scm-pub-accent);
}

/* Category-specific gradients */
.scm-cat-card-new_customer   { background: var(--scm-card-grad-new); }
.scm-cat-card-loyalty        { background: var(--scm-card-grad-loyalty); }
.scm-cat-card-seasonal       { background: var(--scm-card-grad-seasonal); }
.scm-cat-card-limited_time   { background: var(--scm-card-grad-limited); }
.scm-cat-card-cart_incentive { background: var(--scm-card-grad-cart); }
.scm-cat-card-birthday       { background: linear-gradient(135deg, #fce4ec 0%, #fff5f7 100%); }
.scm-cat-card-referral       { background: linear-gradient(135deg, #e0f2f1 0%, #f5fffd 100%); }
.scm-cat-card-social         { background: linear-gradient(135deg, #e8eaf6 0%, #f5f6ff 100%); }

/* Card Top row */
.scm-card-top {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 6px;
}

.scm-card-cat-icon {
    font-size: 22px;
    line-height: 1;
    opacity: 0.85;
}

/* Big hero discount text */
.scm-card-discount {
    font-family: 'Georgia', 'Cambria', serif;
    font-size: 28px;
    font-weight: 700;
    color: var(--scm-pub-text);
    line-height: 1.1;
    letter-spacing: -0.5px;
}

/* Coupon name */
.scm-card-name {
    font-family: 'Georgia', serif;
    font-size: 14px;
    font-weight: 700;
    color: var(--scm-pub-text);
    margin: 4px 0 0;
    line-height: 1.3;
}

/* Short description */
.scm-card-desc {
    font-size: 12px;
    color: var(--scm-pub-text-muted);
    margin: 2px 0 0;
    line-height: 1.5;
}

/* Conditions list */
.scm-card-conditions {
    list-style: none;
    margin: 6px 0 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.scm-card-conditions li {
    font-size: 11px;
    color: var(--scm-pub-text-muted);
    display: flex;
    align-items: center;
    gap: 5px;
}

.scm-card-conditions li::before {
    content: '›';
    color: var(--scm-pub-accent);
    font-weight: 700;
    font-size: 14px;
    line-height: 1;
}

/* Banner / promo text */
.scm-card-banner {
    font-size: 11px;
    color: var(--scm-pub-warning);
    font-weight: 600;
    margin: 4px 0 0;
    font-style: italic;
}

/* Free shipping tag on card */
.scm-card-free-shipping {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background: #e8f5e9;
    color: var(--scm-pub-success);
    border: 1px solid #a5d6a7;
    border-radius: 6px;
    padding: 3px 8px;
    font-size: 11px;
    font-weight: 700;
    margin-top: 4px;
    width: fit-content;
}

/* ============================================================
   9. CARD FOOTER: CODE + COPY BUTTON
============================================================ */
.scm-card-footer {
    margin-top: auto;
    padding-top: 14px;
    border-top: 1px dashed var(--scm-pub-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 8px;
}

.scm-card-code-row {
    display: flex;
    align-items: center;
    gap: 8px;
}

.scm-card-code {
    font-family: 'Courier New', monospace;
    font-size: 14px;
    font-weight: 800;
    color: var(--scm-pub-primary);
    background: rgba(255,255,255,0.7);
    border: 1.5px dashed var(--scm-pub-accent);
    border-radius: 6px;
    padding: 4px 10px;
    letter-spacing: 2px;
    backdrop-filter: blur(4px);
}

/* Copy button — always a leaf green pill */
.scm-card-copy-btn {
    background: var(--scm-pub-primary);
    color: #fff;
    border: none;
    border-radius: 20px;
    padding: 5px 14px;
    font-size: 12px;
    font-weight: 700;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    transition: background var(--scm-pub-transition),
                transform var(--scm-pub-transition);
    white-space: nowrap;
}

.scm-card-copy-btn:hover {
    background: var(--scm-pub-accent);
    transform: scale(1.04);
}

.scm-card-copy-btn.scm-copied {
    background: var(--scm-pub-success);
}

.scm-card-copy-btn:active { transform: scale(0.96); }

/* Expiry text on card */
.scm-card-expiry {
    font-size: 11px;
    color: var(--scm-pub-text-muted);
    font-weight: 500;
}

.scm-expiry-urgent {
    color: var(--scm-pub-error) !important;
    font-weight: 700;
    animation: scm-pulse 1.5s ease infinite;
}

@keyframes scm-pulse {
    0%, 100% { opacity: 1; }
    50%       { opacity: 0.5; }
}

/* ============================================================
   10. CARD BADGE, ICONS & TAGS
============================================================ */
.scm-card-badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 4px;
    font-size: 10px;
    font-weight: 800;
    color: #fff;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    box-shadow: 0 2px 6px rgba(0,0,0,.2);
}

/* ============================================================
   11. SAVINGS BAR  [scm_savings_bar]
============================================================ */
.scm-savings-bar {
    background: linear-gradient(90deg, var(--scm-pub-success) 0%, #40916c 100%);
    color: #fff;
    border-radius: var(--scm-pub-radius-lg);
    padding: 14px 20px;
    margin: 16px 0;
    box-shadow: 0 4px 16px rgba(45,106,79,.3);
    animation: scm-fade-in 0.4s ease;
}

.scm-savings-inner {
    display: flex;
    align-items: center;
    gap: 14px;
}

.scm-savings-icon {
    font-size: 28px;
    flex-shrink: 0;
    animation: scm-bounce 1s ease 2;
}

@keyframes scm-bounce {
    0%, 100% { transform: translateY(0); }
    40%       { transform: translateY(-6px); }
    60%       { transform: translateY(-3px); }
}

.scm-savings-text {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
}

.scm-savings-text strong {
    font-size: 15px;
    font-weight: 700;
    font-family: 'Georgia', serif;
}

.scm-savings-amount {
    font-size: 18px;
    font-weight: 800;
    font-family: 'Georgia', serif;
    background: rgba(255,255,255,0.2);
    padding: 2px 10px;
    border-radius: 6px;
}

.scm-savings-shipping,
.scm-savings-gifts {
    font-size: 13px;
    font-weight: 600;
    background: rgba(255,255,255,0.15);
    padding: 2px 8px;
    border-radius: 4px;
}

/* ============================================================
   12. CHECKOUT SUGGESTIONS
============================================================ */
.scm-checkout-suggestions {
    background: var(--scm-pub-surface);
    border: 1px solid var(--scm-pub-border);
    border-left: 4px solid var(--scm-pub-accent);
    border-radius: var(--scm-pub-radius-lg);
    padding: 16px 20px;
    margin-bottom: 20px;
    box-shadow: var(--scm-pub-shadow);
}

.scm-suggestions-title {
    font-family: 'Georgia', serif;
    font-size: 15px;
    font-weight: 700;
    color: var(--scm-pub-text);
    margin: 0 0 14px;
}

.scm-suggestions-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 12px;
}

/* Suggestion chip — compact coupon teaser */
.scm-suggestion-chip {
    display: flex;
    align-items: center;
    gap: 8px;
    background: #fafaf8;
    border: 1.5px solid var(--scm-pub-border);
    border-radius: 30px;
    padding: 6px 10px 6px 14px;
    transition: border-color var(--scm-pub-transition),
                background var(--scm-pub-transition);
}

.scm-suggestion-chip:hover {
    border-color: var(--scm-pub-accent);
    background: var(--scm-pub-accent-light);
}

.scm-chip-discount {
    font-size: 13px;
    font-weight: 700;
    color: var(--scm-pub-text);
    font-family: 'Georgia', serif;
}

.scm-chip-code {
    font-family: 'Courier New', monospace;
    font-size: 12px;
    font-weight: 700;
    color: var(--scm-pub-text-muted);
    letter-spacing: 0.5px;
}

.scm-chip-apply-btn {
    border-radius: 20px !important;
    padding: 3px 12px !important;
    font-size: 11px !important;
}

/* Almost coupons */
.scm-suggestions-almost {
    border-top: 1px solid var(--scm-pub-border);
    padding-top: 10px;
}

.scm-almost-msg {
    font-size: 13px;
    color: var(--scm-pub-text-muted);
    margin: 4px 0;
    line-height: 1.5;
}

.scm-almost-msg::before {
    content: '💡 ';
}

/* ============================================================
   13. ANIMATIONS & MICRO-INTERACTIONS
============================================================ */

/* Shake on invalid coupon */
@keyframes scm-shake {
    0%, 100% { transform: translateX(0); }
    20%       { transform: translateX(-8px); }
    40%       { transform: translateX(8px); }
    60%       { transform: translateX(-5px); }
    80%       { transform: translateX(5px); }
}

.scm-shake {
    animation: scm-shake 0.4s ease;
    border-color: var(--scm-pub-error) !important;
}

/* Success glow on valid coupon */
@keyframes scm-success-glow {
    0%   { box-shadow: 0 0 0 0 rgba(45,106,79,.4); }
    70%  { box-shadow: 0 0 0 10px rgba(45,106,79,0); }
    100% { box-shadow: 0 0 0 0 rgba(45,106,79,0); }
}

.scm-success-glow {
    animation: scm-success-glow 0.6s ease;
}

/* Card enter animation for grid */
.scm-coupon-card {
    animation: scm-card-enter 0.4s ease backwards;
}

.scm-coupon-card:nth-child(2) { animation-delay: 0.06s; }
.scm-coupon-card:nth-child(3) { animation-delay: 0.12s; }
.scm-coupon-card:nth-child(4) { animation-delay: 0.18s; }
.scm-coupon-card:nth-child(5) { animation-delay: 0.24s; }
.scm-coupon-card:nth-child(6) { animation-delay: 0.30s; }

@keyframes scm-card-enter {
    from {
        opacity: 0;
        transform: translateY(16px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================================
   14. RESPONSIVE
============================================================ */

/* Tablet */
@media (max-width: 900px) {
    .scm-cols-3 { grid-template-columns: repeat(2, 1fr); }
    .scm-cols-4 { grid-template-columns: repeat(2, 1fr); }
}

/* Mobile */
@media (max-width: 600px) {

    .scm-cols-2,
    .scm-cols-3,
    .scm-cols-4 {
        grid-template-columns: 1fr;
    }

    .scm-coupon-form-wrap {
        max-width: 100%;
    }

    .scm-input-row {
        flex-direction: column;
        border-radius: var(--scm-pub-radius);
    }

    .scm-coupon-input-wrap {
        padding: 12px 14px;
    }

    .scm-apply-btn {
        padding: 14px;
        width: 100%;
        text-align: center;
        border-top: 1px solid var(--scm-pub-border);
    }

    .scm-card-discount {
        font-size: 24px;
    }

    .scm-savings-inner {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    .scm-savings-text {
        flex-direction: column;
        align-items: flex-start;
        gap: 6px;
    }

    .scm-coupon-card::before,
    .scm-coupon-card::after {
        display: none;
    }

    .scm-card-footer {
        flex-direction: column;
        align-items: flex-start;
    }

    .scm-suggestions-grid {
        flex-direction: column;
    }

    .scm-suggestion-chip {
        border-radius: var(--scm-pub-radius);
    }

    .scm-coupons-title {
        font-size: 18px;
    }
}