/**
 * Magic Login - Frontend Styles
 *
 * Clean, neutral design - not brand specific
 * WCAG AA accessible
 */

/* ==========================================================================
   CSS Variables
   ========================================================================== */

.oc-container {
    /* Colors - Neutral palette */
    --oc-primary: #0753bb;
    --oc-primary-hover: #004899;
    --oc-primary-light: rgba(7, 83, 187, 0.12);
    --oc-secondary: #64748b;
    --oc-secondary-hover: #475569;

    --oc-text: #1e293b;
    --oc-text-muted: #64748b;
    --oc-text-light: #94a3b8;

    --oc-bg: #ffffff;
    --oc-bg-secondary: #f8fafc;
    --oc-border: #e2e8f0;
    --oc-border-focus: #2563eb;

    --oc-success: #16a34a;
    --oc-success-bg: #dcfce7;
    --oc-whatsapp: #00c66a;
    --oc-whatsapp-hover: #00ad5d;
    --oc-error: #dc2626;
    --oc-error-bg: #fef2f2;

    /* Spacing */
    --oc-space-1: 0.25rem;
    --oc-space-2: 0.5rem;
    --oc-space-3: 0.75rem;
    --oc-space-4: 1rem;
    --oc-space-5: 1.25rem;
    --oc-space-6: 1.5rem;
    --oc-space-8: 2rem;

    /* Typography */
    --oc-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --oc-font-size-sm: 0.875rem;
    --oc-font-size-base: 1rem;
    --oc-font-size-lg: 1.125rem;
    --oc-font-size-xl: 1.25rem;
    --oc-line-height: 1.5;

    /* Borders */
    --oc-radius: 0.5rem;
    --oc-radius-lg: 0.75rem;
    --oc-border-width: 1px;

    /* Shadows */
    --oc-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --oc-shadow: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
    --oc-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);

    /* Focus ring */
    --oc-focus-ring: 0 0 0 3px var(--oc-primary-light);
}

/* ==========================================================================
   Base Container
   ========================================================================== */

.oc-container {
    font-family: var(--oc-font);
    font-size: var(--oc-font-size-base);
    line-height: var(--oc-line-height);
    color: var(--oc-text);
    width: min(100%, 440px);
    max-width: 440px;
    margin: 140px auto 72px;
    padding: 0 var(--oc-space-4);
}

.oc-container *,
.oc-container *::before,
.oc-container *::after {
    box-sizing: border-box;
}

/* ==========================================================================
   Card
   ========================================================================== */

.oc-card {
    background: var(--oc-bg);
    border: var(--oc-border-width) solid var(--oc-border);
    border-radius: var(--oc-radius-lg);
    padding: 34px 32px 32px;
    box-shadow: 0 18px 45px rgba(15, 23, 42, 0.09), 0 1px 2px rgba(15, 23, 42, 0.08);
}

/* ==========================================================================
   Header
   ========================================================================== */

.oc-header {
    text-align: center;
    margin-bottom: var(--oc-space-6);
}

.oc-title {
    display: block;
    font-size: 2rem !important;
    font-weight: 800;
    line-height: 1.15 !important;
    letter-spacing: 0;
    color: #061b3a;
    margin: 0 0 var(--oc-space-3) !important;
    padding: 0;
    text-transform: none;
}

.oc-description {
    font-size: var(--oc-font-size-base);
    color: var(--oc-text-muted);
    margin: 0;
    line-height: 1.55;
}

/* ==========================================================================
   Form
   ========================================================================== */

.oc-form {
    display: flex;
    flex-direction: column;
    gap: var(--oc-space-5);
}

.oc-field {
    display: flex;
    flex-direction: column;
    gap: var(--oc-space-2);
    border: none;
    padding: 0;
    margin: 0;
}

.oc-label {
    font-size: var(--oc-font-size-sm);
    font-weight: 500;
    color: var(--oc-text);
}

.oc-required {
    color: var(--oc-error);
    margin-left: var(--oc-space-1);
}

.oc-input {
    display: block;
    width: 100%;
    height: 2.75rem;
    padding: var(--oc-space-3) var(--oc-space-4);
    font-size: var(--oc-font-size-base);
    font-family: inherit;
    color: var(--oc-text);
    background: var(--oc-bg);
    border: var(--oc-border-width) solid var(--oc-border);
    border-radius: 6px;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.oc-input::placeholder {
    color: var(--oc-text-light);
}

.oc-input:hover {
    border-color: var(--oc-secondary);
}

.oc-input:focus {
    outline: none;
    border-color: var(--oc-border-focus);
    box-shadow: var(--oc-focus-ring);
}

.oc-input:disabled {
    background: var(--oc-bg-secondary);
    cursor: not-allowed;
    opacity: 0.6;
}

/* ==========================================================================
   Code Input
   ========================================================================== */

.oc-code-inputs {
    display: flex;
    gap: var(--oc-space-2);
    justify-content: center;
}

.oc-code-digit {
    width: 2.75rem;
    height: 3.25rem;
    text-align: center;
    font-size: 1.25rem;
    font-weight: 600;
    font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
    color: var(--oc-text);
    background: var(--oc-bg);
    border: var(--oc-border-width) solid var(--oc-border);
    border-radius: var(--oc-radius);
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.oc-code-digit:hover {
    border-color: var(--oc-secondary);
}

.oc-code-digit:focus {
    outline: none;
    border-color: var(--oc-border-focus);
    box-shadow: var(--oc-focus-ring);
}

.oc-code-digit:disabled {
    background: var(--oc-bg-secondary);
    cursor: not-allowed;
    opacity: 0.6;
}

.oc-expiry-note {
    font-size: var(--oc-font-size-sm);
    color: var(--oc-text-muted);
    text-align: center;
    margin: 0;
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.oc-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--oc-space-2);
    min-height: 2.75rem;
    padding: var(--oc-space-3) var(--oc-space-6);
    font-size: var(--oc-font-size-base);
    font-weight: 800;
    font-family: inherit;
    text-decoration: none;
    border-radius: 6px;
    cursor: pointer;
    transition: background-color 0.15s ease, transform 0.1s ease;
    border: none;
    letter-spacing: 0;
    text-transform: uppercase;
}

.oc-button:focus {
    outline: none;
    box-shadow: var(--oc-focus-ring);
}

.oc-button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.oc-button-primary {
    background: var(--oc-primary);
    color: white;
}

.oc-button-primary:hover:not(:disabled) {
    background: var(--oc-primary-hover);
}

.oc-button-primary:active:not(:disabled) {
    transform: scale(0.98);
}

.oc-button-secondary {
    background: var(--oc-bg-secondary);
    color: var(--oc-text);
    border: var(--oc-border-width) solid var(--oc-border);
}

.oc-button-secondary:hover:not(:disabled) {
    background: var(--oc-border);
}

/* Button loading state */
.oc-button-loading {
    display: inline-flex;
    align-items: center;
    gap: var(--oc-space-2);
}

.oc-spinner {
    width: 1.25rem;
    height: 1.25rem;
    animation: oc-spin 1s linear infinite;
}

@keyframes oc-spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* ==========================================================================
   Link Buttons
   ========================================================================== */

.oc-link {
    background: none;
    border: none;
    color: var(--oc-primary);
    font-size: var(--oc-font-size-sm);
    font-family: inherit;
    cursor: pointer;
    padding: var(--oc-space-2);
    text-decoration: underline;
    text-underline-offset: 2px;
    transition: color 0.15s ease;
    min-height: 44px;
    display: inline-flex;
    align-items: center;
}

.oc-link:hover {
    color: var(--oc-primary-hover);
}

.oc-link:focus {
    outline: none;
    box-shadow: var(--oc-focus-ring);
    border-radius: var(--oc-space-1);
}

.oc-link:disabled {
    color: var(--oc-text-muted);
    cursor: not-allowed;
    text-decoration: none;
}

.oc-actions {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--oc-space-2);
    margin-top: var(--oc-space-2);
}

.oc-logged-in-actions {
    display: flex;
    gap: var(--oc-space-3);
    margin-top: var(--oc-space-5);
}

.oc-logged-in-actions .oc-button {
    flex: 1;
}

/* ==========================================================================
   Messages
   ========================================================================== */

.oc-message {
    padding: var(--oc-space-3) var(--oc-space-4);
    border-radius: var(--oc-radius);
    font-size: var(--oc-font-size-sm);
    line-height: var(--oc-line-height);
}

.oc-message-error {
    background: var(--oc-error-bg);
    color: var(--oc-error);
    border: 1px solid var(--oc-error);
}

.oc-message-success {
    background: var(--oc-success-bg);
    color: var(--oc-success);
    border: 1px solid var(--oc-success);
}

.oc-message[hidden] {
    display: none;
}

/* ==========================================================================
   Success State
   ========================================================================== */

.oc-header-success {
    padding: var(--oc-space-4) 0;
}

.oc-success-icon {
    width: 3.5rem;
    height: 3.5rem;
    margin: 0 auto var(--oc-space-4);
    color: var(--oc-success);
}

/* ==========================================================================
   Steps
   ========================================================================== */

.oc-step {
    animation: oc-fade-in 0.2s ease;
}

.oc-step[hidden] {
    display: none;
}

@keyframes oc-fade-in {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ==========================================================================
   Disabled State
   ========================================================================== */

.oc-disabled {
    text-align: center;
    color: var(--oc-text-muted);
    padding: var(--oc-space-8);
    background: var(--oc-bg-secondary);
    border-radius: var(--oc-radius-lg);
}

.oc-support-note {
    width: 100%;
    margin: var(--oc-space-4) auto 0;
    padding: 18px 20px 20px;
    background: #f7fbff;
    border: var(--oc-border-width) solid #d9e8fb;
    border-radius: var(--oc-radius-lg);
    box-shadow: 0 10px 28px rgba(15, 23, 42, 0.06);
    text-align: center;
}

.oc-support-note p {
    margin: 0 0 var(--oc-space-3);
    color: #314869;
    font-size: 0.9375rem;
    line-height: 1.55;
}

.oc-support-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    padding: 0 var(--oc-space-5);
    border-radius: 6px;
    background: var(--oc-whatsapp);
    color: #ffffff;
    font-size: 0.9375rem;
    font-weight: 700;
    line-height: 1.2;
    text-decoration: none;
    transition: transform var(--oc-transition-fast), box-shadow var(--oc-transition-fast), background var(--oc-transition-fast);
}

.oc-support-link:hover,
.oc-support-link:focus {
    background: var(--oc-whatsapp-hover);
    color: #ffffff;
    text-decoration: none;
    transform: translateY(-1px);
    box-shadow: var(--oc-shadow-lg);
}

/* ==========================================================================
   Logged In State
   ========================================================================== */

.oc-logged-in .oc-header {
    margin-bottom: 0;
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 480px) {
    .oc-container {
        padding: var(--oc-space-3);
    }

    .oc-card {
        padding: var(--oc-space-6);
    }

    .oc-code-digit {
        width: 2.5rem;
        height: 3rem;
        font-size: 1.125rem;
    }

    .oc-code-inputs {
        gap: var(--oc-space-1);
    }

    .oc-actions {
        flex-direction: column;
        align-items: center;
    }
}

/* ==========================================================================
   High Contrast Mode
   ========================================================================== */

@media (prefers-contrast: high) {
    .oc-container {
        --oc-border: #000000;
        --oc-border-width: 2px;
    }

    .oc-card {
        border-width: 2px;
    }

    .oc-input,
    .oc-code-digit {
        border-width: 2px;
    }

    .oc-button-primary {
        border: 2px solid var(--oc-text);
    }
}

/* ==========================================================================
   Reduced Motion
   ========================================================================== */

@media (prefers-reduced-motion: reduce) {
    .oc-step {
        animation: none;
    }

    .oc-spinner {
        animation: none;
    }

    .oc-button,
    .oc-input,
    .oc-code-digit,
    .oc-link {
        transition: none;
    }
}

/* ==========================================================================
   Dark Mode
   ========================================================================== */

@media (prefers-color-scheme: dark) {
    .oc-container {
        --oc-primary: #3b82f6;
        --oc-primary-hover: #60a5fa;
        --oc-primary-light: rgba(59, 130, 246, 0.2);

        --oc-text: #f1f5f9;
        --oc-text-muted: #94a3b8;
        --oc-text-light: #64748b;

        --oc-bg: #1e293b;
        --oc-bg-secondary: #0f172a;
        --oc-border: #334155;

        --oc-success: #22c55e;
        --oc-success-bg: #14532d;
        --oc-error: #ef4444;
        --oc-error-bg: #450a0a;
    }

    .oc-button-secondary {
        background: var(--oc-bg-secondary);
        border-color: var(--oc-border);
    }
}

/* ========================================================================
   Emove two-channel login redesign
   ======================================================================== */

.oc-container {
    --oc-primary: #0758c8;
    --oc-primary-hover: #034aa9;
    --oc-primary-light: rgba(7, 88, 200, 0.16);
    --oc-text: #0a2449;
    --oc-text-muted: #425a7a;
    --oc-border: #d6e0eb;
    --oc-border-focus: #0758c8;
    --oc-whatsapp: #06b85a;
    --oc-whatsapp-hover: #039b4b;
    width: min(100%, 672px);
    max-width: 672px;
    margin: 184px auto 72px;
    padding: 0 16px;
}

.oc-card {
    border-color: #d6e0eb;
    border-radius: 20px;
    padding: 46px 48px 42px;
    box-shadow: 0 14px 34px rgba(15, 37, 76, 0.10), 0 2px 5px rgba(15, 37, 76, 0.04);
}

.oc-header {
    margin-bottom: 26px;
}

.oc-title {
    color: #061e44;
    font-size: clamp(2.35rem, 6vw, 3.6rem) !important;
    font-weight: 800;
    letter-spacing: -0.045em;
    line-height: 1.04 !important;
    margin-bottom: 16px !important;
}

.oc-description {
    color: #3c536f;
    font-size: clamp(1.05rem, 2.7vw, 1.35rem);
    line-height: 1.45;
}

.oc-channel-notice {
    margin: 0 0 30px;
    padding: 22px 22px 20px;
    border: 1px solid #c5ddfb;
    border-radius: 13px;
    background: linear-gradient(135deg, #fafdff 0%, #f2f8ff 100%);
    color: #0b4eac;
    text-align: center;
}

.oc-channel-notice-title {
    margin: 0 0 18px;
    color: #0655bb;
    font-size: 1.15rem;
    font-weight: 800;
}

.oc-channel-pair {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 48px minmax(0, 1fr);
    align-items: center;
    gap: 10px;
}

.oc-channel-item {
    display: flex;
    min-width: 0;
    flex-direction: column;
    align-items: center;
    gap: 9px;
}

.oc-channel-icon {
    display: grid;
    width: 54px;
    height: 54px;
    place-items: center;
}

.oc-channel-icon svg {
    width: 100%;
    height: 100%;
}

.oc-channel-icon-email { color: #0757bf; }
.oc-channel-icon-whatsapp { color: #07af54; }

.oc-channel-copy {
    display: grid;
    gap: 3px;
    color: #0a254b;
    line-height: 1.25;
}

.oc-channel-copy strong {
    font-size: 1rem;
    font-weight: 800;
}

.oc-channel-copy small {
    color: #18365e;
    font-size: 0.86rem;
    line-height: 1.35;
}

.oc-channel-plus {
    display: grid;
    width: 44px;
    height: 44px;
    place-items: center;
    border-radius: 50%;
    background: #dcecff;
    color: #0758c8;
    font-size: 2.25rem;
    font-weight: 300;
    line-height: 1;
}

.oc-form {
    gap: 24px;
}

.oc-label {
    color: #082754;
    font-size: 1.05rem;
    font-weight: 800;
}

.oc-input {
    height: 64px;
    padding: 14px 18px;
    border-color: #ccd7e4;
    border-radius: 8px;
    color: #082754;
    font-size: 1.2rem;
}

.oc-button {
    min-height: 64px;
    border-radius: 7px;
    font-size: 1.15rem;
    letter-spacing: .01em;
}

.oc-button-primary {
    background: linear-gradient(135deg, #0759cb 0%, #064da9 100%);
    box-shadow: 0 7px 14px rgba(7, 88, 200, 0.22);
}

.oc-button-primary:hover:not(:disabled) {
    background: linear-gradient(135deg, #064da9 0%, #043d89 100%);
}

.oc-delivery-cards {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
    margin: 0 0 34px;
}

.oc-delivery-card {
    display: flex;
    min-width: 0;
    align-items: center;
    gap: 13px;
    min-height: 104px;
    padding: 16px 14px;
    border: 1px solid #c8dcfa;
    border-radius: 14px;
    background: #f9fcff;
    color: #0757bf;
}

.oc-delivery-card-whatsapp {
    border-color: #c5dfbd;
    background: #fbfff9;
    color: #079043;
}

.oc-delivery-icon {
    width: 58px;
    min-width: 58px;
    height: 58px;
}

.oc-delivery-icon svg {
    width: 100%;
    height: 100%;
}

.oc-delivery-card > span:last-child {
    display: grid;
    min-width: 0;
    gap: 5px;
}

.oc-delivery-card strong {
    font-size: 1.05rem;
    font-weight: 800;
}

.oc-delivery-card small {
    overflow: hidden;
    color: #102649;
    font-size: .88rem;
    font-weight: 600;
    line-height: 1.3;
    text-overflow: ellipsis;
}

.oc-delivery-card-whatsapp small { color: #176333; }

.oc-step-code .oc-header { margin-bottom: 20px; }

.oc-code-inputs {
    gap: 14px;
    justify-content: space-between;
}

.oc-code-digit {
    width: min(100%, 68px);
    height: 84px;
    border-color: #d3dae4;
    border-radius: 6px;
    font-size: 2.2rem;
    font-weight: 700;
}

.oc-expiry-note {
    color: #405876;
    font-size: 1.05rem;
    font-weight: 500;
}

.oc-actions {
    align-items: flex-start;
    flex-direction: column;
    gap: 3px;
    margin-top: 6px;
}

.oc-link {
    color: #0758c8;
    font-size: 1rem;
    font-weight: 700;
    text-transform: uppercase;
}

.oc-resend-button {
    align-self: center;
    color: #405876;
    font-size: .9rem;
    font-weight: 500;
    text-align: center;
    text-decoration: none;
}

.oc-resend-button:not(:disabled) {
    color: #0758c8;
    text-decoration: underline;
}

.oc-support-note {
    margin-top: 28px;
    padding: 27px 42px 28px;
    border-color: #c6dffc;
    border-radius: 15px;
    background: linear-gradient(135deg, #fbfdff 0%, #f2f8ff 100%);
    box-shadow: 0 10px 28px rgba(15, 37, 76, 0.06);
}

.oc-support-icon {
    display: block;
    width: 48px;
    height: 48px;
    margin: 0 auto 12px;
    color: #0758c8;
}

.oc-support-icon svg { width: 100%; height: 100%; }

.oc-support-note p {
    max-width: 470px;
    margin-right: auto;
    margin-left: auto;
    color: #18365e;
    font-size: 1.05rem;
    line-height: 1.5;
}

.oc-support-link {
    min-height: 54px;
    padding: 0 28px;
    border-radius: 7px;
    font-size: 1.12rem;
}

@media (max-width: 640px) {
    .oc-container {
        margin-top: 112px;
        margin-bottom: 44px;
        padding: 0 12px;
    }

    .oc-card { padding: 34px 22px 28px; border-radius: 16px; }
    .oc-title { font-size: 2.35rem !important; }
    .oc-channel-notice { padding: 18px 12px; }
    .oc-channel-pair { grid-template-columns: minmax(0, 1fr) 38px minmax(0, 1fr); gap: 4px; }
    .oc-channel-icon { width: 44px; height: 44px; }
    .oc-channel-copy small { font-size: .76rem; }
    .oc-channel-plus { width: 34px; height: 34px; font-size: 1.75rem; }
    .oc-delivery-cards { grid-template-columns: 1fr; margin-bottom: 26px; }
    .oc-delivery-card { min-height: 82px; padding: 12px 14px; }
    .oc-code-inputs { gap: 7px; }
    .oc-code-digit { width: 42px; height: 58px; font-size: 1.55rem; }
    .oc-support-note { padding: 24px 20px; }
}

@media (max-width: 380px) {
    .oc-title { font-size: 2rem !important; }
    .oc-channel-pair { grid-template-columns: 1fr 30px 1fr; }
    .oc-channel-copy strong { font-size: .9rem; }
    .oc-channel-copy small { font-size: .69rem; }
    .oc-code-inputs { gap: 4px; }
    .oc-code-digit { width: 38px; }
}

/* One Code is an access screen: retain the high-contrast light layout even
   when the device asks for a dark colour scheme. */
@media (prefers-color-scheme: dark) {
    .oc-container {
        --oc-primary: #0758c8;
        --oc-primary-hover: #034aa9;
        --oc-primary-light: rgba(7, 88, 200, 0.16);
        --oc-text: #0a2449;
        --oc-text-muted: #425a7a;
        --oc-text-light: #7890aa;
        --oc-bg: #ffffff;
        --oc-bg-secondary: #f6f9fd;
        --oc-border: #d6e0eb;
        --oc-success: #079043;
        --oc-success-bg: #e8f8ec;
        --oc-error: #c42626;
        --oc-error-bg: #fff3f3;
    }
}