/* ─────────────────────────────────────────────────────────────────────────────
   MABBAS Payments — Premium Dark Glassmorphism UI
   ───────────────────────────────────────────────────────────────────────────── */

/* ── Reset & Base ── */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --color-bg:         #080A14;
    --color-surface:    #0E1025;
    --color-border:     rgba(255, 255, 255, 0.07);
    --color-border-hover: rgba(255, 255, 255, 0.14);

    --color-primary:    #6C47FF;
    --color-primary-2:  #00C4FF;
    --color-primary-glow: rgba(108, 71, 255, 0.35);
    --color-accent:     #A78BFF;

    --color-text:       #F2F3FF;
    --color-text-muted: rgba(242, 243, 255, 0.45);
    --color-text-faint: rgba(242, 243, 255, 0.22);

    --color-success:    #00D68F;
    --color-warning:    #F0A500;
    --color-error:      #FF4D4F;

    --radius-sm:   8px;
    --radius-md:   14px;
    --radius-lg:   24px;
    --radius-xl:   32px;

    --shadow-card: 0 8px 40px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(255,255,255,0.06);
    --shadow-btn:  0 4px 24px rgba(108, 71, 255, 0.4);

    --transition: 0.22s cubic-bezier(0.4, 0, 0.2, 1);
    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font);
    background-color: var(--color-bg);
    color: var(--color-text);
    min-height: 100vh;
    line-height: 1.6;
    overflow-x: hidden;
}

/* ── Background Orbs ── */
.bg-orb {
    position: fixed;
    border-radius: 50%;
    filter: blur(80px);
    pointer-events: none;
    z-index: 0;
    will-change: transform;
}
.orb-1 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(108, 71, 255, 0.18), transparent 70%);
    top: -150px;
    right: -100px;
    animation: orbFloat 8s ease-in-out infinite alternate;
}
.orb-2 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(0, 196, 255, 0.12), transparent 70%);
    bottom: -100px;
    left: -80px;
    animation: orbFloat 10s ease-in-out infinite alternate-reverse;
}
.orb-3 {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(0, 214, 143, 0.07), transparent 70%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: orbFloat 12s ease-in-out infinite alternate;
}
@keyframes orbFloat {
    from { transform: translateY(0) scale(1); }
    to   { transform: translateY(-30px) scale(1.05); }
}

/* ── Page Layout ── */
.page-wrapper {
    position: relative;
    z-index: 1;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    padding: 0 1rem;
}

/* ── Header ── */
.site-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 0;
    max-width: 520px;
    margin: 0 auto;
    width: 100%;
}

.logo-wrap {
    display: flex;
    align-items: center;
    gap: 0.65rem;
}

.logo-icon {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    overflow: hidden;
    flex-shrink: 0;
}
.logo-icon svg {
    width: 100%;
    height: 100%;
    display: block;
}

.logo-text {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-text);
    letter-spacing: -0.02em;
}
.logo-text span {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-2));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.secure-badge {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.72rem;
    font-weight: 500;
    color: var(--color-success);
    background: rgba(0, 214, 143, 0.08);
    border: 1px solid rgba(0, 214, 143, 0.2);
    padding: 0.35rem 0.75rem;
    border-radius: 50px;
    letter-spacing: 0.01em;
}

/* ── Main Content ── */
.main-content {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem 0 2rem;
}

/* ── Card ── */
.card {
    background: rgba(14, 16, 37, 0.7);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-card);
    padding: 2.25rem 2rem;
    width: 100%;
    max-width: 480px;
    animation: slideUp 0.4s cubic-bezier(0.4, 0, 0.2, 1) both;
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(24px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ── Card Header ── */
.card-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.75rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--color-border);
}

.card-header-icon {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, rgba(108, 71, 255, 0.2), rgba(0, 196, 255, 0.1));
    border: 1px solid rgba(108, 71, 255, 0.25);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-accent);
    flex-shrink: 0;
}

.card-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-text);
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.card-subtitle {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    margin-top: 0.25rem;
}

/* ── Alert ── */
.alert {
    display: flex;
    align-items: flex-start;
    gap: 0.65rem;
    padding: 0.85rem 1rem;
    border-radius: var(--radius-md);
    font-size: 0.85rem;
    margin-bottom: 1.25rem;
    transition: opacity var(--transition);
}

.alert-error {
    background: rgba(255, 77, 79, 0.1);
    border: 1px solid rgba(255, 77, 79, 0.25);
    color: #FF7875;
}

/* ── Form Groups ── */
.form-group {
    margin-bottom: 1.25rem;
}

.form-label {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--color-text-muted);
    margin-bottom: 0.5rem;
    letter-spacing: 0.01em;
}

/* ── Input Wrapper ── */
.input-wrapper {
    position: relative;
}

.form-input {
    width: 100%;
    padding: 0.8rem 1rem;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text);
    font-family: var(--font);
    font-size: 0.95rem;
    font-weight: 400;
    outline: none;
    transition: border-color var(--transition), background var(--transition), box-shadow var(--transition);
    -webkit-appearance: none;
    appearance: none;
}

.form-input::placeholder {
    color: var(--color-text-faint);
}

.form-input:hover {
    border-color: var(--color-border-hover);
    background: rgba(255, 255, 255, 0.06);
}

.form-input:focus {
    border-color: rgba(108, 71, 255, 0.6);
    background: rgba(108, 71, 255, 0.05);
    box-shadow: 0 0 0 3px rgba(108, 71, 255, 0.12);
}

.form-input.valid {
    border-color: rgba(0, 214, 143, 0.5);
    background: rgba(0, 214, 143, 0.04);
}

.form-input.invalid {
    border-color: rgba(255, 77, 79, 0.5);
    background: rgba(255, 77, 79, 0.04);
}

/* Remove spinners from number inputs */
.form-input[type="number"]::-webkit-inner-spin-button,
.form-input[type="number"]::-webkit-outer-spin-button { -webkit-appearance: none; }
.form-input[type="number"] { -moz-appearance: textfield; }

/* ── Amount Wrapper ── */
.amount-wrapper {
    display: flex;
    align-items: center;
}

.amount-prefix {
    position: absolute;
    left: 1rem;
    color: var(--color-accent);
    font-weight: 600;
    font-size: 0.95rem;
    z-index: 1;
    pointer-events: none;
}

.amount-input {
    padding-left: 2.6rem;
}

/* ── Field Helpers ── */
.field-hint {
    display: block;
    font-size: 0.72rem;
    color: var(--color-text-faint);
    margin-top: 0.35rem;
}

.field-error {
    display: block;
    font-size: 0.75rem;
    color: var(--color-error);
    margin-top: 0.35rem;
    min-height: 1rem;
    transition: opacity var(--transition);
}

/* ── Amount Preview ── */
.amount-preview {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.85rem 1.1rem;
    background: linear-gradient(135deg, rgba(108, 71, 255, 0.08), rgba(0, 196, 255, 0.05));
    border: 1px solid rgba(108, 71, 255, 0.18);
    border-radius: var(--radius-md);
    margin-bottom: 1.5rem;
    animation: fadeIn 0.3s ease;
}
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-8px); }
    to   { opacity: 1; transform: translateY(0); }
}

.preview-label {
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

.preview-amount {
    font-size: 1.25rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-2));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ── Pay Button ── */
.btn-pay {
    width: 100%;
    padding: 0.95rem 1.5rem;
    background: linear-gradient(135deg, var(--color-primary) 0%, #5535DD 50%, var(--color-primary-2) 100%);
    background-size: 200% auto;
    color: #fff;
    font-family: var(--font);
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    box-shadow: var(--shadow-btn);
    transition: background-position 0.4s ease, transform var(--transition), box-shadow var(--transition);
    position: relative;
    overflow: hidden;
    letter-spacing: 0.01em;
    margin-bottom: 1.25rem;
}

.btn-pay::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, transparent, rgba(255,255,255,0.12), transparent);
    transform: translateX(-100%);
    transition: transform 0.5s ease;
}

.btn-pay:hover::before { transform: translateX(100%); }
.btn-pay:hover {
    background-position: right center;
    transform: translateY(-1px);
    box-shadow: 0 6px 30px rgba(108, 71, 255, 0.55);
}
.btn-pay:active { transform: translateY(0); }
.btn-pay:disabled { opacity: 0.7; cursor: not-allowed; transform: none; }

.btn-text, .btn-loader {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.spinner {
    width: 20px;
    height: 20px;
    animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Secondary Button ── */
.btn-secondary {
    padding: 0.75rem 1.25rem;
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-muted);
    font-family: var(--font);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: all var(--transition);
    text-decoration: none;
}
.btn-secondary:hover {
    background: rgba(255,255,255,0.09);
    border-color: var(--color-border-hover);
    color: var(--color-text);
}

/* ── Button Group ── */
.btn-group {
    display: flex;
    gap: 0.75rem;
    margin-top: 1.5rem;
    flex-wrap: wrap;
}
.btn-group > * { flex: 1; min-width: 120px; }

/* ── Trust Badges ── */
.trust-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.trust-badge {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    font-size: 0.7rem;
    color: var(--color-text-faint);
    font-weight: 500;
}

/* ── Detail Box (return page) ── */
.detail-box {
    background: rgba(255,255,255,0.025);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 0.25rem 1rem;
    margin-bottom: 0.5rem;
}

/* ── Footer ── */
.site-footer {
    text-align: center;
    padding: 1.5rem 0;
    font-size: 0.75rem;
    color: var(--color-text-faint);
}
.site-footer strong { color: var(--color-text-muted); }

/* ── Shake Animation ── */
@keyframes shake {
    0%, 100% { transform: translateX(0); }
    15%  { transform: translateX(-8px); }
    30%  { transform: translateX(8px); }
    45%  { transform: translateX(-6px); }
    60%  { transform: translateX(6px); }
    75%  { transform: translateX(-3px); }
    90%  { transform: translateX(3px); }
}
.shake { animation: shake 0.5s cubic-bezier(0.36, 0.07, 0.19, 0.97) both; }

/* ── Print Styles ── */
@media print {
    .bg-orb, .site-header, .btn-group, .site-footer, .btn-pay { display: none !important; }
    body { background: #fff !important; color: #000 !important; }
    .card { box-shadow: none !important; border: 1px solid #ddd !important; border-radius: 12px !important; background: #fff !important; }
    .detail-label { color: #666 !important; }
    .detail-value { color: #000 !important; }
}

/* ── Responsive ── */
@media (max-width: 520px) {
    .card { padding: 1.75rem 1.25rem; border-radius: var(--radius-lg); }
    .site-header { flex-direction: column; gap: 0.75rem; text-align: center; }
    .card-header { flex-direction: column; text-align: center; }
    .btn-group { flex-direction: column; }
    .btn-group > * { width: 100%; }
}

@media (max-width: 360px) {
    .trust-row { gap: 0.5rem; }
    .trust-badge:nth-child(3) { display: none; }
}