@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --bg-gradient: linear-gradient(135deg, #e0ebff 0%, #f1e4ff 100%);
    --bg-color: #f8fafc;
    --card-bg: #ffffff;
    --text-primary: #0f172a;
    --text-secondary: #475569;

    --primary-blue: #0284c7;
    --primary-purple: #7c3aed;
    --accent-purple-light: #a78bfa;
    --gradient-brand: linear-gradient(90deg, var(--primary-blue) 0%, var(--primary-purple) 100%);

    --border-color: #0f172a;
    /* Keskin siyah/koyu kurumsal çerçeveler */
    --border-color-soft: #cbd5e1;
    --error-bg: #fef2f2;
    --error-border: #ef4444;
    --error-text: #b91c1c;
    --success-bg: #f0fdf4;
    --success-border: #22c55e;
    --success-text: #15803d;

    --shadow-flat: 4px 4px 0px #0f172a;
    --shadow-flat-sm: 2px 2px 0px #0f172a;
    --shadow-flat-active: 1px 1px 0px #0f172a;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: var(--font-family);
    border-radius: 0px !important;
    /* KESKİN HATLAR - Kesinlikle yuvarlatma yok */
}

body {
    background: var(--bg-gradient);
    background-attachment: fixed;
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    padding-bottom: 2rem;
}

/* Header ve Navigasyon */
header {
    background: #0f172a;
    color: #ffffff;
    border-bottom: 4px solid var(--primary-purple);
    padding: 1rem;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.header-container {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-title {
    letter-spacing: -0.5px;
    display: flex;
    align-items: flex-start;
    flex-direction: column;
    gap: 0.5rem;
}

.header-title h1 {
    font-size: 24px;
    /* ÜST BİLGİ (HEADER) YAZI BOYUTU AYARI BURADADIR */
    font-weight: 700;
    margin: 0;
    line-height: 1.2;
}

.header-title strong {
    font-size: 18px;
}

.header-title span {
    background: var(--gradient-brand);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 18px;
}

.btn-logout {
    background: transparent;
    color: #cbd5e1;
    border: 1px solid #cbd5e1;
    padding: 0.35rem 0.75rem;
    cursor: pointer;
    font-weight: 500;
    font-size: 0.85rem;
    transition: all 0.2s ease;
}

.btn-logout:hover {
    background: #ef4444;
    color: #ffffff;
    border-color: #ef4444;
}

/* Ana İçerik */
main {
    max-width: 800px;
    width: 100%;
    margin: 2rem auto 0 auto;
    padding: 0 1rem;
    flex: 1;
}

/* Giriş Sayfası (Login Page) */
.login-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 85vh;
    padding: 1rem;
}

.login-card {
    background: var(--card-bg);
    width: 100%;
    max-width: 400px;
    border: 3px solid var(--border-color);
    box-shadow: var(--shadow-flat);
    padding: 2.5rem 2rem;
}

.login-logo {
    text-align: center;
    margin-bottom: 2rem;
}

.login-logo h1 {
    font-size: 1.75rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    margin-bottom: 0.5rem;
}

.login-logo h1 span {
    background: var(--gradient-brand);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.login-logo p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Form Elemanları */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-weight: 600;
    font-size: 0.85rem;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-control {
    width: 100%;
    padding: 0.75rem;
    font-size: 1rem;
    border: 2px solid var(--border-color);
    background: #ffffff;
    color: var(--text-primary);
    outline: none;
    transition: border-color 0.2s ease;
}

.form-control:focus {
    border-color: var(--primary-purple);
    box-shadow: 2px 2px 0px var(--primary-purple);
}

.btn-primary {
    width: 100%;
    background: var(--gradient-brand);
    color: #ffffff;
    border: 2px solid var(--border-color);
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    box-shadow: var(--shadow-flat-sm);
    transition: transform 0.1s ease, box-shadow 0.1s ease;
}

.btn-primary:active {
    transform: translate(1px, 1px);
    box-shadow: var(--shadow-flat-active);
}

.btn-secondary {
    background: #ffffff;
    color: var(--text-primary);
    border: 2px solid var(--border-color);
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    box-shadow: var(--shadow-flat-sm);
    transition: transform 0.1s ease, box-shadow 0.1s ease;
}

.btn-secondary:active {
    transform: translate(1px, 1px);
    box-shadow: var(--shadow-flat-active);
}

/* Kart Yapısı ve Listeler */
.dashboard-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.dashboard-title {
    font-size: 1.5rem;
    font-weight: 700;
    border-left: 5px solid var(--primary-purple);
    padding-left: 0.75rem;
}

.list-container {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.mesai-card {
    background: var(--card-bg);
    border: 2px solid var(--border-color);
    box-shadow: var(--shadow-flat-sm);
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.mesai-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color-soft);
    padding-bottom: 0.5rem;
}

.mesai-date {
    font-weight: 700;
    font-size: 1rem;
    color: var(--text-primary);
}

.badge {
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    border: 1px solid var(--border-color);
}

.badge-hafta-ici {
    background: #e0f2fe;
    color: #0369a1;
}

.badge-hafta-sonu {
    background: #f3e8ff;
    color: #6b21a8;
}

.mesai-details {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
    font-size: 0.9rem;
}

.detail-item {
    display: flex;
    flex-direction: column;
}

.detail-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    font-weight: 600;
}

.detail-value {
    font-weight: 700;
}

.mesai-description {
    font-size: 0.9rem;
    color: var(--text-secondary);
    background: #f8fafc;
    border-left: 3px solid var(--border-color-soft);
    padding: 0.5rem;
    word-break: break-word;
}

/* Hata ve Başarı Mesajları */
.alert {
    padding: 0.75rem 1rem;
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
    font-weight: 600;
    border: 2px solid var(--border-color);
}

.alert-danger {
    background: var(--error-bg);
    border-color: var(--error-border);
    color: var(--error-text);
}

.alert-success {
    background: var(--success-bg);
    border-color: var(--success-border);
    color: var(--success-text);
}

/* Modal Dialog */
dialog {
    border: 3px solid var(--border-color);
    box-shadow: 10px 10px 0px #0f172a;
    width: calc(100% - 2rem);
    max-width: 500px;
    margin: auto;
    padding: 1.5rem;
    background: #ffffff;
    overflow: visible !important;
    /* Flatpickr popupunun kırpılmasını önlemek için */
}

@media (min-width: 480px) {
    dialog {
        padding: 2rem;
    }
}

dialog::backdrop {
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(4px);
}

.dialog-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 0.75rem;
}

.dialog-header h3 {
    font-size: 1.25rem;
    font-weight: 700;
}

.dialog-close {
    background: transparent;
    border: none;
    cursor: pointer;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.35rem;
    transition: all 0.2s ease;
}

.dialog-close:hover {
    color: var(--error-text);
    background: #f1f5f9;
}

.dialog-close svg {
    display: block;
}

.dialog-actions {
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
    margin-top: 1.5rem;
}

@media (max-width: 480px) {
    .dialog-actions {
        flex-direction: column-reverse;
        gap: 0.75rem;
    }

    .dialog-actions button {
        width: 100%;
    }
}

/* Tarih ve Saat Alanları İkon Ayarları */
.form-control[type="date"],
.form-control[type="time"] {
    padding-right: 2.25rem;
    position: relative;
}

/* Safari/Chrome native picker ikonlarının hizalaması */
.form-control::-webkit-calendar-picker-indicator {
    cursor: pointer;
    position: absolute;
    right: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    padding: 0;
    margin: 0;
}


/* Admin Paneli Listeleri */
.admin-summary-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
    margin-bottom: 2rem;
}

@media(min-width: 600px) {
    .admin-summary-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.summary-card {
    background: #ffffff;
    border: 2px solid var(--border-color);
    box-shadow: var(--shadow-flat-sm);
    padding: 1rem;
    text-align: center;
}

.summary-num {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--primary-purple);
}

.summary-title {
    font-size: 0.8rem;
    text-transform: uppercase;
    font-weight: 600;
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

/* Admin Personel Tablosu / Listesi */
.admin-personel-card {
    background: #ffffff;
    border: 2px solid var(--border-color);
    box-shadow: var(--shadow-flat-sm);
    margin-bottom: 1rem;
    padding: 1.25rem;
}

.personel-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    border-bottom: 1px solid var(--border-color-soft);
    padding-bottom: 0.75rem;
    margin-bottom: 0.75rem;
}

.personel-info h4 {
    font-size: 1.1rem;
    font-weight: 700;
}

.personel-info p {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.personel-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
    font-size: 0.85rem;
}

.personel-hours-form {
    border-top: 1px solid var(--border-color-soft);
    padding-top: 0.75rem;
    margin-top: 0.75rem;
}

.hours-form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr auto;
    gap: 0.5rem;
    align-items: flex-end;
}

.hours-form-grid label {
    font-size: 0.75rem;
    font-weight: 700;
    display: block;
    margin-bottom: 0.25rem;
}

.hours-form-grid input {
    width: 100%;
    padding: 0.4rem;
    font-size: 0.85rem;
    border: 1px solid var(--border-color);
}

.hours-form-grid button {
    padding: 0.45rem 0.75rem;
    font-size: 0.85rem;
    height: fit-content;
}

.btn-detail-link {
    color: var(--primary-blue);
    text-decoration: underline;
    font-size: 0.85rem;
    font-weight: 600;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
}

.btn-detail-link:hover {
    color: var(--primary-purple);
}

/* Boş Liste Bildirimi */
.no-data {
    text-align: center;
    padding: 3rem 1rem;
    background: #ffffff;
    border: 2px dashed var(--border-color-soft);
    color: var(--text-secondary);
    font-weight: 500;
}

/* ==========================================================================
   Flatpickr Custom Picker Tema Düzenlemeleri (Keskin Hatlar ve Mor/Mavi)
   ========================================================================== */

.flatpickr-calendar {
    border-radius: 0px !important;
    border: 2px solid var(--border-color) !important;
    box-shadow: 6px 6px 0px #0f172a !important;
    background: #ffffff !important;
}

.flatpickr-months {
    background: #0f172a !important;
    color: #ffffff !important;
    border-bottom: 2px solid var(--border-color) !important;
    padding: 0.5rem 0 !important;
}

.flatpickr-months .flatpickr-month {
    color: #ffffff !important;
    fill: #ffffff !important;
}

.flatpickr-current-month .flatpickr-monthDropdown-months {
    background: #0f172a !important;
    color: #ffffff !important;
    font-weight: 700 !important;
}

.flatpickr-months .flatpickr-prev-month,
.flatpickr-months .flatpickr-next-month {
    color: #ffffff !important;
    fill: #ffffff !important;
}

.flatpickr-months .flatpickr-prev-month:hover svg,
.flatpickr-months .flatpickr-next-month:hover svg {
    fill: var(--accent-purple-light) !important;
}

.flatpickr-weekday {
    color: var(--text-secondary) !important;
    font-weight: 700 !important;
}

/* Gün hücreleri */
.flatpickr-day {
    border-radius: 0px !important;
    color: var(--text-primary) !important;
    font-weight: 500 !important;
    border: 1px solid transparent !important;
}

/* Seçili Gün */
.flatpickr-day.selected,
.flatpickr-day.selected:hover,
.flatpickr-day.selected:focus {
    background: var(--primary-purple) !important;
    border-color: var(--primary-purple) !important;
    color: #ffffff !important;
}

/* Bugün */
.flatpickr-day.today {
    border-color: var(--primary-blue) !important;
    font-weight: 700 !important;
}

.flatpickr-day.today:hover {
    background: #e0f2fe !important;
    color: #0369a1 !important;
}

/* Gün Hover */
.flatpickr-day:hover {
    background: #f1f5f9 !important;
    border-color: #cbd5e1 !important;
}

/* Farklı Ay Günleri */
.flatpickr-day.prevMonthDay,
.flatpickr-day.nextMonthDay {
    color: #94a3b8 !important;
}

/* Saat Seçici Düzenlemeleri (Time Picker) */
.flatpickr-time {
    border-top: 2px solid var(--border-color) !important;
    background: #f8fafc !important;
    height: 48px !important;
}

.flatpickr-time input {
    color: var(--text-primary) !important;
    font-weight: 700 !important;
    font-size: 1rem !important;
}

.flatpickr-time input:hover,
.flatpickr-time input:focus {
    background: #e2e8f0 !important;
}

.flatpickr-time .flatpickr-time-separator {
    color: var(--text-primary) !important;
    font-weight: 700 !important;
}

.flatpickr-time .numInputWrapper span.arrowUp,
.flatpickr-time .numInputWrapper span.arrowDown {
    border-left: 1px solid var(--border-color) !important;
}

.flatpickr-time .numInputWrapper span.arrowUp {
    border-bottom: 1px solid var(--border-color) !important;
}

/* ==========================================================================
   Centralized Date & Time Picker Modal Düzenlemeleri
   ========================================================================== */

#date-time-picker-dialog {
    width: calc(100% - 1.5rem);
    max-width: 365px;
    margin: auto;
    border: 3px solid var(--border-color);
    box-shadow: 10px 10px 0px #0f172a;
    padding: 1.25rem;
    background: #ffffff;
    overflow: visible !important;
}

#inline-calendar-container {
    display: flex;
    justify-content: center;
    margin-bottom: 1rem;
    width: 100%;
}

#inline-calendar-container .flatpickr-calendar.inline {
    box-shadow: none !important;
    border: none !important;
    width: 100% !important;
    max-width: 315px;
}

.picker-time-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 2px solid var(--border-color);
}

.picker-time-group {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.picker-time-group label {
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.time-select-wrapper {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.form-control-select {
    width: 100%;
    padding: 0.45rem;
    font-size: 0.95rem;
    font-weight: 700;
    border: 2px solid var(--border-color);
    background: #ffffff;
    color: var(--text-primary);
    outline: none;
    cursor: pointer;
    text-align: center;
}

.form-control-select:focus {
    border-color: var(--primary-purple);
}

.time-select-wrapper .colon {
    font-weight: 800;
    font-size: 1.25rem;
    color: var(--text-primary);
    padding: 0 0.1rem;
}