/* Theme Variables */
:root {
    --bg-color: #f1f5f9;
    --text-color: #1a1a1a;
    --border-color: #e0e0e0;
    --login-bg: linear-gradient(180deg, #cbd5e1 0%, #e2e8f0 50%, #f1f5f9 100%);
}

[data-theme="dark"] {
    --bg-color: #0a0a0f;
    --text-color: #e0e0e0;
    --border-color: #333333;
    --login-bg: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
}

html, body {
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    transition: background-color 0.3s ease, color 0.3s ease;
}

a, .btn-link {
    color: var(--bs-primary);
    text-decoration-color: var(--bs-primary-text-emphasis);
}

.btn-primary {
    --bs-btn-color: #fff;
    --bs-btn-bg: #1b6ec2;
    --bs-btn-border-color: #1861ac;
    --bs-btn-hover-bg: #1861ac;
    --bs-btn-hover-border-color: #164f94;
    --bs-btn-focus-shadow-rgb: 49, 132, 253;
    --bs-btn-active-bg: #164f94;
    --bs-btn-active-border-color: #14447c;
}

.btn:focus, 
.btn:active:focus, 
.btn-link.nav-link:focus, 
.form-control:focus, 
.form-check-input:focus {
    box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem var(--bs-primary);
}

.content {
    padding-top: 0;
}

h1:focus {
    outline: none;
}

/* Form validation states using Bootstrap 5.3 variables */
.valid.modified:not([type=checkbox]) {
    outline: 1px solid var(--bs-success);
    border-color: var(--bs-success);
}

.invalid {
    outline: 1px solid var(--bs-danger);
    border-color: var(--bs-danger);
}

.validation-message {
    color: var(--bs-danger);
    font-size: 0.875em;
}

/* Modern error boundary styling */
.blazor-error-boundary {
    background: url(data:image/svg+xml;base64,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) no-repeat 1rem/1.8rem, var(--bs-danger);
    padding: 1rem 1rem 1rem 3.7rem;
    color: white;
    border-radius: 0.375rem;
}

.blazor-error-boundary::after {
    content: "An error has occurred."
}

/* Modern floating label improvements for Bootstrap 5.3 */
.form-floating > .form-control-plaintext::placeholder, 
.form-floating > .form-control::placeholder {
    color: var(--bs-secondary-color);
    text-align: end;
    transition: opacity 0.2s ease-in-out, text-align 0.2s ease-in-out;
}

.form-floating > .form-control-plaintext:focus::placeholder, 
.form-floating > .form-control:focus::placeholder {
    text-align: start;
}

/* Loading indicator using Bootstrap spinner */
.loading-indicator {
    display: inline-block;
    width: 1rem;
    height: 1rem;
    vertical-align: text-bottom;
    border: 0.2em solid currentColor;
    border-right-color: transparent;
    border-radius: 50%;
    animation: spinner-border 0.75s linear infinite;
}

@keyframes spinner-border {
    to { transform: rotate(360deg); }
}

/* Light Theme - Widget Cards for Home Page */
[data-theme="light"] .widget-card,
[data-theme="light"] a.widget-card,
[data-theme="light"] .widget-link,
[data-theme="light"] a.widget-link,
[data-theme="light"] .widget-card.widget-link,
[data-theme="light"] a.widget-card.widget-link,
[data-theme="light"] .reminders-widget {
    background: rgba(255, 255, 255, 0.95) !important;
    border: 1px solid rgba(59, 130, 246, 0.12) !important;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08) !important;
}